Do you know what life on Mars__?A.could be like B.be could like C.be like 求详解

问题描述:

Do you know what life on Mars__?A.could be like B.be could like C.be like 求详解

A.因为问句要倒装,所以不肯那个是B,而C更不可能的,语感问题吧那又为什么是could 的呢could就是虚拟语气啊