The new books are of great use, they _____ well and _____ already.

A．sell : sell out

B．sold : had sold out

C．sold : have sold out

D．sell : have been sold out

房屋拆迁管理部门发放《房屋拆迁许可证》时，应当向被拆迁人发出房屋拆迁公告。公告应明确( )等。

A．拆迁人

B．拆迁范围

C．拆迁期限

D．资金来源

E．拆迁方案