The accident produced a very bad impact on the society, so those who _________ the project were severely punished.

A．come up with

B．look out for

C．took charge of

D．took the place of

病历摘要：肝转移瘤患者，男性，74岁。因上腹部隐痛、不适，体重下降20余天入院。体查；心肺（-），上腹部轻压痛，无反跳痛，无肌紧张，余无异常。行上腹部CT平扫+增强扫描。

3.鉴别诊断有哪些？