People in Shanghai are sparing no effort with the government to create ____ they hope will be the be

题目

People in Shanghai are sparing no effort with the government to create ____ they hope will be the best means of transport in the future.
A. which B. what C. that D. who
答案是B,句子通不通啊?
句子能分析一下吗? 看不懂 what they hope will be

答案

B.what 为正确选项.请楼主一步一步看：第一步：People with the government in Shanghai are sparing no effort to create ____ they hope will be the best means of transport in the future.第二步：People with ...