—My uncle has two children. But of them lives with him A. either B. neither C. both

问题补充：

—My uncle has two children. But of them lives with him

A. either B. neither C. both

答案：

解析：本题中的but表示转折，表示的意思是他们两个人没有一个人和他住在一起，neither表示两者都不，故本题选B。