The new law states that people _____ drive after drinking alcohol.

A．wouldn't

B．needn't

C．won't

D．mustn't

一台新组装的计算机在安装驱动程序后，开机时显示器出现横纹，重新启动后显示器没有任何图像，可能的原因是 (18) 。

A．主板与显示器不兼容
B．BIOS设置错误
C．主板电池供电不足
D．北桥芯片散热不良