six people were killed in the accident,.()a policeman A.included B.including 为什么要选A

问题描述:

six people were killed in the accident,.()a policeman A.included B.including 为什么要选A

B
如果 a policeman 在前面要用  a policeman included为什么要用ING形式呢include 的主语是six people  六个人包括 一个警察,   这里警察不是被包括,所以要用现在分词表主动,  若a policeman 在前面  include 的主语是就为a policeman   这时候 警察是被包括在内 所以要用过去分词表被动