问题补充：
—You seemed not to be interested in the story yesterday.
—Yes. I it in a magazine before.
A. read
B. was reading
C. have read
D. had read
答案：
A. read
B. was reading
C. have read
(答案→)D. had read
解析：句意：你似乎对昨天那个故事不感兴趣。是的，我以前在杂志上读过。读的动作在昨天之前，过去的过去应用过去完成时态。故选D。
