It was the training      he had as a young man     made him such a good engineer.

A．what; that

B．which; that

C．that; which

D．that; what

患者，男性，72岁，近两个月出现肝区疼痛，食欲缺乏，乏力，右上腹部可扪及包块，压痛，肝脏质硬，既往乙肝病史，CT平扫发现肝内多发低密度占位性病变。

最有可能的诊断是（）

A.肝细胞性肝癌并肝内多发转移

B.胆管细胞癌

C.脂肪肝

D.肝囊腺瘤

E.肝囊肿