They were having an argument about turn it was to do the cooking.A. whichB. whatC. whoseD

问题补充：

They were having an argument about turn it was to do the cooking.

A. which

B. what

C. whose

D. who

答案：

A. which

B. what

(答案→)C. whose

D. who

解析：考查宾语从句：句意：他们正在讨论该谁做饭了。Turn缺少定语，用whose引导宾语从句，选C。