Did she see the doctor?为什么用did

你想用什么?
Did she see the doctor?did 表示过去发生的.她看过医生了吗?
Does she see the doctor?does 表示经常发生.她常去看医生吗?
你觉得那句更正常呢?有人会经常去看医生吗?就算是does,也应该在句子里加个always
Does she always see the doctor?
所以说第一种更合适.用did