患者，男，17岁。卒发腹痛，拒按恶食，嗳腐吞酸，腹痛泻后痛减，舌苔厚，脉滑实有力。应诊断为

A．饮食积滞型胃脘痛

B．饮食积滞型腹痛

C．湿热壅滞型腹痛

D．湿热泄泻

E．气机郁滞型腹痛

A (74) is a device that enables the computer to handle sounds．

A．network card
B．video card
C．sound card
D．monitor