After he was elected _______ Chairman of _______ Workers’ Union, he began to concentrate on helping ______ unemployed.

A．/; the; the

B．/; the; /

C．the; /; the

D．/; /; the

男，38岁，右上腹疼痛、寒战、高热、黄疸1天。查体：体温39.6℃，血压83/60mmHg。皮肤巩膜黄染，右上腹及剑突下压痛，可及肿大胆囊，血白细胞26×10/L。诊断为（）

A.急性化脓性胆囊炎

B.胆囊穿孔

C.急性坏死性胰腺炎

D.急性梗阻性化脓性胆管炎

E.肝内胆管结石并发胆道感染