判斷以下句子的主句屬于哪一種結構A.主+謂 B.主+系+表 C.主+謂+賓 D.主+謂+賓+賓補E.主+謂+雙賓語
Xi Jinping，who is also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission，made the remarks while joining Beijing residents in a voluntary tree-planting activity in the Chinese capital's Daxing district.
C.主+謂+賓
C.主+謂+賓
