Some of the wolves there their fur. A. are hunting B. are hunting for C. are hunted forD.

问题补充：

Some of the wolves there their fur.

A. are hunting

B. are hunting for

C. are hunted for

D. hunt for

答案：

A. are hunting

B. are hunting for

(答案→)C. are hunted for

D. hunt for

解析： 考查动词的时态和语态。主语Some of the wolves和hunt之间是动宾关系，所以要用被动语态形式，hunt…for …,为了……而猎取……。所以选C。