This cake is very sweet. You a lot of sugar in it

This cake is very sweet. You                 a lot of sugar in it

A.should put

B.could have put

C.might put

D.must have put

答案及解析: D

解析:

试题

分析:考查情态动词。must have done 肯定做了某事,表示对过去的肯定推测。句意:蛋糕非常甜,你肯定在里面放了很多糖。所以选D。could have done 本可以做而没做考点:考查情态动词表推测