A: Can I a book from you? B: Certainly. But you mustn’t it to others. And please remembe

问题补充：

A: Can I a book from you?

B: Certainly. But you mustn’t it to others. And please remember you can only it for a week.

A. borrow, lend, borrow

B. lend, borrow, keep

C. lend, lend, keep

D. borrow, lend, keep

答案：

A. borrow, lend, borrow

B. lend, borrow, keep

C. lend, lend, keep

(答案→)D. borrow, lend, keep

解析：borrow 相当于主语是借进，lend 相当于主语是借出，for+一段时间，用keep，表示保管的意思，故选D