The boy asked his mother go out to relax himself or not.
A. whether could he
B. if he could
C. that he could
D. whether he could
网友回答
A. whether could he
B. if he could
C. that he could
(答案→)D. whether he could
解析：句意：男孩问妈妈是否可以出去放松一下。因为和or not连用，所以用whether连接宾语从句，而且宾语从句的语序用陈述句语序，所以选D。