John is the boy _____ legs were badly hurt in the accident. [ ]

A. whose

B. that

C. who

D. which

病历摘要：肝硬化患者，男性，45岁。乙肝小三阳病史20年，乏力纳差.肝转氨酶明显升高1月入院。体查.肝脏肋缘下1cm可触及，质硬，表面凹凸不平，轻度压痛。做上腹部CT平扫和增强扫描。

2、诊断依据是什么？