when the famous writer was young,his dream was _____a photographer,but later he became a writer inst

题目

when the famous writer was young,his dream was _____a photographer,but later he became a writer instead .
A to become,B to being c going to be ,D became of
为什么不能选C ,区别 在哪呢,

答案

不可能选c
如果选c 那么只有两种可能
第一 be going to be 但是主语是dream 不可能发出这个动作
如果是把going to be 当做表语 那么意思就完全不对