Thousands of years ago people discovered the phenomenon by chance, and this was _____ the idea of the compass first came from.

A．how

B．what

C．where

D．that

患者上腹胀满、厌食，查体脾大，腹水征阳性。腹部超声，肝硬化，脾大，腹水。

最可能的诊断()

A．腹膜结核

B．肝炎

C．肝硬化，门脉高压征

D．肝癌

E．胃炎