Wolves would starve if food was difficult especially during the cold winter months.A. to

问题补充：

Wolves would starve if food was difficult, especially during the cold winter months.

A. to be found

B. to find

C. finding

D. being found

答案：

A. to be found

(答案→)B. to find

C. finding

D. being found

解析：考查非谓语动词。“主语＋be＋adj.＋不定式”结构，用主动表示被动含义。句意：如果食物难被发现，狼将挨饿，特别是在严寒的月份。