—Can you help me download some popular songs from your computer?

—_______, but I must finish typing the article first.

A．I’d love to

B．I’m afraid not

C．Certainly not

D．Never mind

客户与银行事先不约定存期，支取时提前一定时间通知银行，约定支取日期及金额，这是( )。

A．定期存款
B．活期存款
C．协定存款
D．通知存款