—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?
—No, I didn’t. I it twice in Denmark.
A. have seen
B. were seeing
C. had seen
D. saw
网友回答
A. have seen
B. were seeing
(答案→)C. had seen
D. saw
解析：考查时态。根据句意可知，我去过两次，故用过去完成时态，选C。