问题详情

请在____42______处填上答案
A.When you cant recall something instantly, you should try your best to do it.
B.When you cant recall something instantly, youd better have an operation on your mind.
C.The subconscious activities may go to work to dig up a dim memory.
D.Forcing yourself to recall may loosen your memory.请帮忙给出正确答案和分析，谢谢！