—Could you tell me ______ ?

—"Rome was not built in a day."You should try to give it enough chances to become strong. [ ]

A. why I should do to have a good memory

B. what I can do to have a good memory

C. how can I have a good memory

肝硬化最常见的并发症是（）。

A.上消化道出血

B.肝昏迷

C.肝肾综合征

D.感染

E.肝癌