He is the only one of the workers in the factory_____ever been given a medal.
问题描述：
He is the only one of the workers in the factory_____ever been given a medal.
A.who has B.that have C.who have D.whom has
我想正确答案应该是that
答
A.因为前面写明是the only,所以后面要用单数形式.
如果是 He is one of the workers in the factory ----ever been given a medal.则要用复数形式选C.