—Millie, here is _____ bridge. What can you see across _____bridge?

—Oh, _____elephant is standing over there.

A．a, the, an

B．a, a, the

C．the, a, an

D．the, the, an

有关痈处理方法错误的是（）

A.中央部坏死组织多，全身症状重者，应手术治疗

B.切口应超出炎症范围

C.切开至皮肤全层

D.尽量剪除坏死组织

E.唇痈不宜切开