--I want to do something _____ myself --Why not listen to the CD for _____
--I want to do something _____ myself.
--Why not listen to the CD for _____?
A.relax;while B.to relax;moment C.relax;short time
D.to relax;a while
应该选择哪个?并请说说选择的理由,和不选其他答案的原因,