-- Could you please tell me ? By learning to forget. A. what are you doing nowB. how I

问题补充：

-- Could you please tell me ?

-- By learning to forget.

A. what are you doing now

B. how I can deal with the problem

C. when they arrived at the station

D. why was he late for school

答案：

A. what are you doing now

(答案→)B. how I can deal with the problem

C. when they arrived at the station

D. why was he late for school

解析：考查宾语从句。英语宾语从句中一般为陈述语序，根据下文，通过学会忘记。可知上文提问的是方式，故选B，我该怎么处理这个问题。