题目

He was away for a week. What happened _______ him?             A. about         B. with           C. for             D. to 答案：D如图，如果直线m是多边形ABCDE的对称轴，其中∠A=130 °，∠B=110 °．那么∠BCD的度数等于 [     ]A．40°B．50°C．60°D．70°