—Do you have Jay's CDs?

—sorry, they are _____. But we'll get some more next week because they _____.[ ]

A. sold well;are on sale

B. sold out;sell well

C. selling well;sell well

D. for sale;sell well

国家对军事设施实行()、确保重点的方针。

A．严格保护

B．明确责任

C．分级保护

D．分类保护