on the endless green grass are sheep cattle and horses.A. Being wanderedB. Being wander

问题补充：

on the endless green grass are sheep, cattle and horses.

A. Being wandered

B. Being wandering

C. Wandering

D. Wandered

答案：

A. Being wandered

B. Being wandering

(答案→)C. Wandering

D. Wandered

解析：考查非谓语动词。当逻辑主语与非谓语短语中的动词有主谓关系时，用现在分词表示主动；当逻辑主语与非谓语短语中的动词是动宾关系时，用过去分词表被动。sheep, cattle和horses与wander是主谓关系，应该使用现在分词。故选C。