During a shock state, the renin-angiotensin-aldosterone system exerts which effect on renal function

A．Decreased urine output, increased reabsorption of sodium and water.

B．Decreased urine output, decreased reabsorption of sodium and water.

C．Increased urine output, increased reabsorption of sodium and water.

D．Increased urine output, decreased reabsorption of sodium and water.

患者，男性，52岁。气粗息涌，喉间痰鸣，痰白质黏，难以咳出，烦闷不安，口苦，口渴喜饮，舌红苔黄，脉滑数。此时应选用（）

A．射干麻黄汤

B．定喘汤

C．小青龙汤

D．苏子降气汤

E．控涎丸