Sun Yang, a young Chinese swimming talent, several gold medals before 2012 London Olympics.
A. won
B. has won
C. had won
D. were to win
网友回答
A. won
B. has won
(答案→)C. had won
D. were to win
解析：考察时态。句意：孙杨，一位中国游泳天才，在2012年伦敦奥运会之前就已经赢得了好几块金牌。根据句意说明他赢得几块金牌是在2012年之前，故使用过去完成时。故C正确。