题目

关于下图气候特点的叙述，正确的是（    ） A．该地年温差约10ºC B．年降水总量在500毫米以下 C．7、8月份降水量非常集中 D．夏季凉爽，冬季温暖 答案：       CAfter school we went to the reading-room to do some reading ,only to be told that it _______. A. was decorated    B. had decorated  C. had been decorating    D. was being decorated