---Ananthastwostomachs---oneforitself,oneforothers.---...

問題詳情：

 --- An ant has two stomachs --- one for itself, one for others.

--- Really? Quite interesting. I ____  anything about it.

A. don’t know    B. have known   C. haven’t known   D. didn’t know

【回答】

D

知識點：一般過去時及其被動式

題型：選擇題