tom still failed his exam,()he did his best A thought B because C if D because

问题描述:

tom still failed his exam,()he did his best A thought B because C if D because
选项打错了,不好意思昂。A though .....希望不要误导其他人!

A答案应该是though吧,选A
意思是;虽然汤姆尽他所能,但他还是考试不及格