19.the last man ______the sinking ship was the caption.

问题描述:

19.the last man ______the sinking ship was the caption.
A)left
B)to be leaving
C)to leave
D)having left
请问答案为什么选C呢,

题目的意思是:离开沉船的最后一个人是船长.
这里不定式作后置定语修饰前面的主语