Iraq has ________ too many wars since 1990, making his people ________ a lot.

A．got through; pay

B．looked through; pain

C．gone through; suffer

D．passed through; damage

大部分PC主板上的I/O超级芯片不包含下列______部分。 ( )

A．软磁盘控制器

B．硬磁盘控制器

C．双串行端口控制器

D．并行端口控制器