Seldom TV when he studied in senior high school.
A. he watches
B. he watched
C. does he watch
D. did he watch
网友回答
A. he watches
B. he watched
C. does he watch
(答案→)D. did he watch
解析：考查时态与倒装。具有否定意义的副词seldom放在了句首，因此句子应用部分倒装结构，排除A和B；根据“when he studied”可知，应用一般过去时态。故选D。