—Julia said she sent you a birthday card yesterday. Have you got it?

—Oh, really? I haven't _____ my mailbox yet. [ ]

A. examined

B. reviewed

C. tested

D. checked

国有独资公司甲与其董事所实际控制的公司乙进行下列经济活动，符合《企业国有资产法》规定的是（ ）。

A．甲为乙提供小额担保，只需由甲的董事会作出决定

B．甲以市场价格向乙销售甲的产品

C．甲与乙签订了价格公允的财产转让协议，只需由甲的董事会作出决定

D．甲向乙投资，只需由甲的董事会作出决定