— Must we finish the work today?

— ______. But you must finish it tomorrow. [ ]

A. No, you needn't.

B. Yes, you have to.

C. No, you mustn't.

商业银行的核心负债比例，即核心负债/负债总额应当()。

A.不低于60%

B.不高于30%

C.不低于25%

D.不低于20%