题目内容：

------I have washed clothes for you
------Thanks.You needn't ______ it.I can ____ it.
A.do;try B.do;manage C.have done;manage D.have done ;try

优质解答

选B needn't do 表示不需要这么做,而needn't have done表示本不需要做但是却做了,有点多此一举的感觉,所以这里应用needn't do.manage表示成功完成某事,这里表示我自己可以搞定洗衣服这事儿.