.

_______from the operation, the patient was advised to stay in hospital for another two weeks.

A．Having not fully recovered

B．Being not fully recovered

C．Not having fully recovered

D．Not fully recovering

患者男，63岁，上腹痛8h。腹痛以剑下为主，持续不缓解，伴有寒战，尿黄。既住：胆囊结石病史4年，曾有肝炎病史，已治愈。体温38.6℃，心率106次/min，血压120/70mmHg。皮肤、巩膜黄染，剑下压痛、反跳痛、肌紧张，听诊肠鸣音弱。实验室检查：白细胞18×10⁹/L，肌酐92μmol/L。氨基转移酶72U/L，总胆红素119.7μmol/L，直接胆红素88.9μmol/L，转肽酶685U/L，碱性磷酸酶428U/L，血淀粉酶250U/L。

其发病原因可能是（）.

A.肿瘤梗阻

B.炎性狭窄

C.结石梗阻

D.腹腔感染

E.肝炎复发