the sports meet will be held depends on the weather.A. When everB. IfC. WhetherD. That

问题补充：

the sports meet will be held depends on the weather.

A. When ever

B. If

C. Whether

D. That

答案：

A. When ever

B. If

(答案→)C. Whether

D. That

解析：whether引导主语从句,if不能引导位于句首的主语从句,A、D项不合题意。