问题
选择题
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
答案：B
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。