A deer took her chance with a __

A deer took her chance with a ________ of hungry wolves, which might catch her and kill her immediately.
A、mass
B、pack
C、herd
D、school
【正确答案】：B
【题目解析】：a pack of表示“（野兽等的）一群”，符合句意。a pack of hungry wolves：一群饥饿的狼。