Why don't you tell her ----------?A.how to do B.what to do C.to do what D.what to do it 请讲解

Why don't you tell her ----------?A.how to do B.what to do C.to do what D.what to do it 请讲解
Why don't you tell her ----------?A.how to do B.what to do C.to do what D.what to do it 请讲解

Why don't you tell her ----------?A.how to do B.what to do C.to do what D.what to do it 请讲解
Why don't you tell her what to do ?
你为什么不告诉她做什么呢?（选B）这是一个结构“疑问词+to do”在句子中做直接宾语.
how是个副词,不能做to do的宾语, 而what是个代词,可以做to do的宾语
然而D项的it是多余的
希望对你有所帮助!