A-A+ I often visited Tian an Men Square 2023-01-25 11:15:43 热门问答 阅读 次 问题详情 I often visited Tian an Men Square ________ I was staying in Beijing.A untilB duringC whileD throughout 网友回答 C 解析while引导时间状语从句，强调一段时间内正在发生的事，和进行时连用。