Li Na returned to Wuhan after the Games as is known to us she had been brought up and

问题补充：

Li Na returned to Wuhan after the Games, , as is known to us, she had been brought up and trained to be a gold medalist of tennis.

A. when

B. that

C. which

D. where

答案：

A. when

B. that

C. which

(答案→)D. where

解析：考查定语从句，句意：李娜回到比赛后回到武汉，众所周知，在那里，她被抚养长大，被训练成为网球金牌得主。选D。