Glass milk bottles can be used again and again, but they need thoroughly, they?A. to clea

Glass milk bottles can be used again and again, but they need thoroughly, they?
A. to clean, needn’t
B. cleaning,don’t
C. clean, aren’t
D. cleaned, can’t

A. to clean, needn’t(答案→)B. cleaning,don’tC. clean, aren’t D. cleaned, can’t解析：need doing sth中 need是实义动词，构成反意疑问句要用do或don’t。

这个解释是对的