is his name mike?( )

问题描述:

is his name mike?( )
A:yes,he is
B:yes,his name is
C:no,it is not
为什么?我觉得B C都对啊

C
A中主语不对,而且答案B不全应该是yes,his name is mike.
选我吧,咱俩都是二级的哪