He is one of the foreign experts who___in China.A.works B.is working C.are working D.has been working

问题描述:

He is one of the foreign experts who___in China.A.works B.is working C.are working D.has been working

C.are working
因为在这里关系代词who代指的是experts
如果原题在one前加the only,则选B