Alice has gone to the classroom and she didn’t say ________.

A．when did she come back

B．when would she be back

C．when she came back

D．when she would be back

境内机构自汇出前期费用之日起（）内仍未完成境外直接投资项目核准程序的，应将境外账户剩余资金调回原汇出资金的境内外汇账户。所汇回的外汇资金如属人民币购汇的，可持原购汇凭证，到外汇指定银行办理结汇。

A、1个月，

B、3个月，

C、6个月，

D、9个月。