Mark the letter A, B, C or D to indicate the sentence that is BEST written from the words/phrases given.Câu hỏi We/ used/ go/ school/ bike/ when/ we/ be/ young. A. We used to go to school by bike when we are young. B. We used to going to school by bike when we were young. C. We used to go to school by bike when we were young. D. We used to went to school by bike when we were young.