Judging by his ____ expression,he ____ have known anything about it.

Judging by his ____ expression,he ____ have known anything about it.
A.shocking;mustn't
B.shocked;can't
C.shocking;may not
D.shocked;shouldn't

为什么选B不选D？

是judged by还是judging by? By His Wounds歌词 judging from his face,the computer he has just bought_____his needs. Judging from his manners at the party, he doesn’t seem___ much education. A beautiful bike____ him by his classmates. she was attracted by his smile 和 she attracted by his smile的区别 But I was not bothered by his loudness__ by his lack of talent. A driver should ______ his intention to turn by putting out his arm or by using his car indicator. The whole audience were impressed by his _______(perform) We can not judge a person by his look