问题
选择题
— Why are yo always making such mistakes, Jack?
— Sorry. I think I was not ________ this morning.
A. myself B. for myself C. to myself B. by myself
答案
答案：A
上句的be always making表示责备对方，因此是答话人在解释出错的原因。Be not oneself的意思是“身体不舒适；自我感觉不好”。