_______ as he is,jack could have made such a mistake.

问题描述:

_______ as he is,jack could have made such a mistake.
A:A fool
B:Fool
C:The fool
D:Fools

选B,这里因该填形容词,表示他犯傻了,你把这句改下也行,as he is fool ,jack could have made such a mistake.