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

问题详情：

 --- 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

知识点：一般过去时及其被动式

题型：选择题