This is the desk desk is broken.A. whoseB. of whichC. whichD. that

问题补充：

This is the desk, desk is broken.

A. whose

B. of which

C. which

D. that

答案：

(答案→)A. whose

B. of which

C. which

D. that

解析：分析可知定语从句中的“desk”缺少定语。所以选A.