广陈皮主产于（）
A.广西百色
B.广西桂林
C.广东高要
D.广东新会
参考答案：D
The main road _____ for repairs, so we had to change the route to the downtown.
A．is being closed
B．has been closed
C．was to be closed
D．had been closed
简述别集的编纂体例。
