Though he was____ trouble after he was wounded, he managed to escape____ caught by the enemy.

A．out of ; being

B．in ; being

C．on ; to be

D．in ; to be

患者，女性，45岁。右上腹胀痛伴皮肤巩膜黄染半个月。体格检查：皮肤巩膜明显黄疸，腹水征（-），血糖正常。

ERCP如证实为胆道下段结石梗阻。首选治疗为（）。

A.体外碎石

B.剖腹探查

C.中医中药

D.胆总管切开取石、T形管引流术

E.胆肠吻合术