It there anyone in your class family is in the country?A. whoB. who'sC. whichD. whose

问题补充：

It there anyone in your class family is in the country?

A. who

B. whos

C. which

D. whose

答案：

A. who

B. whos

C. which

(答案→)D. whose

解析：whose引导定语从句,在从句中作主语family的定语.