__ has recently been done to solve traffic problems,a shortage of public vehicles remains a problemA.Although.B.What C.Though what.D.In spite of what.答案是D为什么?为什么其他的不能选?

Question

__ has recently been done to solve traffic problems,a shortage of public vehicles remains a problem
A.Although.B.What C.Though what.D.In spite of what.
答案是D为什么?为什么其他的不能选?

Answer 1

D
in spite of 后面跟名词,代词和名词性从句,what引导的刚好是名词性从句.所以选D
C错因为名词性从句前不加连接词.
A,B应该没有争议吧