All we need is to be supplied with food and clothing.A. whatB. thatC. whichD. whom

问题补充：

All we need is to be supplied with food and clothing.

A. what

B. that

C. which

D. whom

答案：

A. what

(答案→)B. that

C. which

D. whom

解析：考查定语从句。当先行词是all表示所有物的时候，用关系动词that指代all，that在句中做need的宾语。句意：我们需要的所有东西就是是有食物和水的供应。