__as a distinguished director is the best reward for him.
问题描述：
__as a distinguished director is the best reward for him.
A.Being elected B.Elected C.Electing D.Having elected
选A,为什么不是B
答
这是因为句子在“is”前面的部分要作为句子的主语部分存在,选A就可以使那部分构成一个动宾结构,除此之外,B C D项都没有此功能.