If the economy is in short-run disequilibrium below full employment, the most likely explanation is that: （）

A. aggregate demand has decreased.

B. long-run aggregate supply has decreased.

C. resource prices have decreased.

配用中脘、阴陵泉，适合治疗的胁痛证型是（）

A.肝胆湿热

B.肝郁气滞

C.瘀血阻络

D.肝阴不足

E.脾虚肝郁