–David, it’s Frank. Do you have a few minutes? I need to see you.

-- _______. But I hope “a few minutes” doesn’t turn into an hour.

A．I’m afraid not

B．It doesn’t matter

C．I don’t think so

D．I guess so

如果扫描仪在工作时发出的噪音很大，通常的解决方法是（）。

A．将扫描仪摆放平稳

B．降低扫描速度

C．提高扫描分辨率

D．更新驱动程序