—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

为右上肢骨折患者脱、穿衣服的正确方法是()

A．先脱右肢，先穿右肢

B．先脱左肢，先穿左肢

C．先脱左肢，先穿右肢

D．先脱右肢，先穿左肢

E．先脱近侧，先穿对侧