Black should have taken the doctor’s advice _____in bed for a day or two.

题目

Black should have taken the doctor’s advice _____in bed for a day or two.
这个题答案给的C,为什么不选D啊?
Black should have taken the doctor’s advice _____in bed for a day or two.
A.that he would lie B.he would lie C.that he lie D.that he must lie

答案

c.是由advice决定的,这里的that引导的是同位语从句,当前面的名词是advice,suggestion,demand,order等表示命令或要求的时候从句中要用should+do的结构,should 可以省略掉.所以C选项事实上补充完整是：that he (should) lie