题目

阅读理解Club OneOpen hour:   5:00 p.m.—6:30 p.m.Day:         Monday—FridayActivities:    Beijing opera (京剧), playing the lute (琵琶)Age:         8 to 12Telephone:    88830401Club TwoOpen hour:    5:30 p.m.—6:30 p.m.Day:         Thursday and FridayActivities:     Making cards, drawing picturesAge:         12 to 16Telephone:    88930501Club ThreeOpen hour:    4:50 p.m.—6:00 p.m.Day:         ThursdayActivities:     Computers, dancingAge:         10 to 13Telephone:    88730401Club FourOpen hour:    3:3如图，为了测量某建筑物CD的高度，在平地上A处测得建筑物顶端C的仰角为30°，沿AD方向前进12米到达B处，在B处测得建筑物顶端C的仰角为60°，则建筑物CD的高度为（　　） A、63米B、62米C、33米D、45米