People like to eat sweet dumplings on the Eastern Festival which in hot waterA. were ser

问题补充：

People like to eat sweet dumplings on the Eastern Festival，which in hot water．

A. were served

B. served

C. are served

D. serves

答案：

A. were served

B. served

(答案→)C. are served

D. serves

解析：考查语态。本句中的which与动词serve构成被动的关系故使用C项。本句使用一般现在时指经常性习惯性的行为。故C正确。