下列疾病不具备联合使用抗生素的指征的是（）

A.慢性骨髓炎

B.结核

C.细菌性心内膜炎

D.急性 * * 炎

E.腹腔脏器穿孔

Growing economic problems were highlighted by a slowdown in oil output.

A．accounted for

B．worked out

C．made prominent

D．taken for granted