Although the price of the gas ______, many people still plan to buy private cars.

A．goes down

B．goes up

C．goes on

D．goes ahead

患者，女性，57岁。支气管扩张病史6年。突然出现大咯血，家属估计咯血量约500ml来院急诊。

护士指导患者应采取的体位是

A．端坐位

B．仰卧位、头低足高位

C．俯卧位

D．健侧卧位，头偏向一侧

E．患侧卧位，头偏向一侧