“You realize that you were driving at 100 mph,don’t you?”“You realize that you were driving at 100 mph,don’t you?”“No,officer.I ______.This car can’t do more than 80.”A.didn’t need to beB.may not have been C.couldn’t have been D

“You realize that you were driving at 100 mph,don’t you?”
“You realize that you were driving at 100 mph,don’t you?”
“No,officer.I ______.This car can’t do more than 80.”
A.didn’t need to be
B.may not have been
C.couldn’t have been
D.needn’t have been

c
你知道你在以每小时100英里的速度行驶,对吗?
没有,警官,不可能的,这车最多都超不过80脉的.
这儿指的是刚才不可能以每小时100英里的速度行驶,说的是发生在过去的事,所以排除A,A to 后是动词原形,此处要用have done 表发生在过去的事.B,C,D 之间是情态动词的区别,may 的可能性很小,needn't 是不必的意思,只有couldn't 表示不可能

A

D。虚拟语气的过去式。译为“我没有必要”“我本不该”