More wild tigers have been seen in the forest around this area there used to be very fe

问题补充：

More wild tigers have been seen in the forest around this area, there used to be very few.

A. when

B. where

C. what

D. which

答案：

A. when

(答案→)B. where

C. what

D. which

解析：考查状语从句。本题考查where引导的地点状语从句，表示“在……地方”。句意：更多的野生老虎在这个地区的森林被看见，在那儿过去很少见到。