问题补充：
—Could you please tell me ?
--“Rome wasn’t 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 do to have a good memory
D. what can I do to have a good memory
答案：
A. why I should do to have a good memory
(答案→)B. what I can do to have a good memory
C. how can I do to have a good memory
D. what can I do to have a good memory
解析：本题考查的是特殊疑问句作为宾语从句，特殊疑问句作为宾语从句时，要用陈述句语序，故选答案为B
