Sun Yang, a young Chinese swimming talent, several gold medals before the 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：C 考察动词时态。句意：孙杨是中国游泳的人才，他在2012年伦敦奥运会之前就获得了几块金牌。由句中的before一词可知，孙杨获得金牌是在2012年伦敦奥运会之前，使用过去完成时。故C正确。