Question

— The 19th National Congress of the CPC(中共十九大)        in Beijing last year.

— Our country has been into a new era(时代) since then.

A. held    B. was held    C. has held    D. had held

Answer

B

【解析】

句意：——去年，中共第十九次全国代表大会在北京举行。——从那时起，我国进入了一个新的时代。A. held一般过去时；B. was held一般过去时的被动语态；C. has held 现在完成时态；D. had held过去完成时态。根据时间状语last year判断，句子的时态为一般过去时，主语The 19th National Congress of the CPC与hold之间是被动的关系，因此要用被动语态的形式，故答案为B。