it is reported that about 3 percent of the word...

题目

it is reported that about 3 percent of the word...
It is reported that about 3 percent of the world population are in possession of over 95 percent of the world’s total wealth,______ about 15 percent are suffering from food shortage.
A) while B) that C) when D) which

答案

A、while
据报道,世界上3％的人控制着95％的财富,______约15％的人正忍受着饥饿的煎熬
while可用作副词,有“与此同时……”的意思,所以,我觉得应该选A