— This cap            Tina's. I know she has a red cap.

— No, it            be Tina's. I am wearing her cap now. [ ]

A. maybe, may not

B. might be, can't

C. could be, mustn't

D. must be, mustn't

建设单位将自己开发的房地产项目抵押给银行，订立了抵押合同，后来又办理了抵押登记。则()。

A．项目转移给银行占有，抵押合同自签订之日起生效

B．项目转移给银行占有，抵押合同自登记之日起生效

C．项目不转移占有，抵押合同自签订之日起生效

D．项目不转移占有，抵押合同自登记之日起生效