问题补充:
did you study English? ------More than one year.
A. When
B. What time
C. How long
D. How often
答案:
A. When
B. What time
(答案→)C. How long
D. How often
解析:考查情景交际。“你学英语多久了?”“一年多了。”When= What time“何时”;How long“多久”;How often“多久一次”。对时间提问用how long。故选C。