There was less food for birds and also for the Prairie dog, an ____holes in the ground.
A. livs B. is living C. living D. lived
There was less food for birds and also for the Prairie dog, an ____holes in the ground.
A. livs B. is living C. living D. lived
C
本题是定语从句的省略。An animal which lived in the holes中可以省略which，将动词转换为一ing形式直接作定语。