题目

—Where did you buy this beautiful skirt? —It was in the shop _____ my mother is working．        A．that     B, which       C．where       D．what 答案：C小明同学面向竖直放置的平面镜前且距平面镜的距离为1.5m，她在镜中的像与她本人的距离为 ________ m。