—I borrowed the book from the library last Friday. I have _______ it for a week.

—You must return it to the library at once. [ ]

A. borrowed

B. lent

C. kept

D. taken

客户开立定期存款账户时，需向银行提交（）。

A.单位结算账户开户申请书

B.单位定期存款开户书

C.公函

D.介绍信