---Do you often go to the movies at weeken

--- Do you often go to the movies at weekends？--- Not often, I only go to the cinema __________.A.at one timeB.for a timeC.at a timeD.from time to time

D解析from time to time意思为 “不时；偶尔”，与Not often相吻合。句意：不经常，我只是偶而去看看电影。at one time曾经；for a time一段时间；at a time一次；每次。

感谢回答，我学习了