His dream is ________ an actor A.becoming B.become C.to become D.became 要原因
问题描述：
His dream is ________ an actor A.becoming B.become C.to become D.became 要原因
答
答案：C
原因 to do 表示 “将来”情况；而 doing 表示 “惯常”情况是不是所有情况都如此一般来说，不定式作表语、定语时往往表示“将要”