閱讀下列短文，從每題所給的 A、B、C、D四個選項中，選出最佳選項，并在答題卡上將該項涂黑。
    Born in the spirit of innovation at the 1962 World's Fair in Seattle，the Pacific Science Center has sparked curiosity for more than 60 years as the nation's first science and technology center.When visiting the center，we ask guests to follow the policies and procedures listed to ensure the best experience for everyone visiting.
    General Visitor Policies
    Pacific Science Center is committed to creating an environment where everyone feels valued and welcome，and we expect our guests to act in accordance with this commitment.All guests are required to wear shoes if you enter the center.All youth age 12 and under must be accompanied by a responsible adult or legal guardian throughout their visit because some experiences may require adult supervision（監(jiān)管）.If you want to listen to music during you visit，we kindly ask that you use headphones and/or keep the volume of your personal electronic devices at a reasonable level so as not to disturb other guests.Please be aware that use of personal electronic devices is not allowed in our Planetarium，IMAX，or laser thearters.
    Ticketing Policies
    For your security，Print at Home tickets are individually coded and allow only one scan per entry.If more than one copy of your ticket is printed，or a photocopy is made，only the first scan of the barcode（條形碼） on your ticket will be allowed entry.Any subsequent copies attempting to scan will alert staff that the ticket has already been scanned.
    Refund and Exchange Policies
    All ticket sales are final and non-refundable.All exchanges must be processed at least 24 hours prior to the time and date of the event or reservation.Exchanges are not allowed after an event has started，for tickets with dates in the past，or for events or reservations marked no refunds or exchanges.
    Photo and Video Policies
    Guest photography and videotaping with small，personal recording devices is permitted for private，non-commercial use.Tripods for filming and photography are not allowed in the exhibit halls.Photographs and videos of the Science Center may not be published，sold，reproduced or otherwise commercially used without written approval from Pacific Science Center.
    Thank you for following these guidelines and visiting Pacific Science Center.We appreciate your support.Please call （206）443-2001 with any question.

（1）Which of the following is allowed in the center？

C

C

A．Youth under the age 12 participate in the experiments alone.
B．Use tripods for filming and photography in the exhibit halls.
C．Take pictures or videos with small，personal recording devices.
D．Use personal electronic devices in Planetarium，IMAX，or laser theaters.
（2）You can change the visit date of your ticket

B

B

.
A．two days before the visit
B．within 24 hours after purchase
C．within 8 hours before the visit time
D．after an event of the center has started
（3）This passage is intended for

B

B

.
A．parents
B．tourists
C．tour guides
D．students