问题补充:
Maybe if I literature, but not science then, I would be able to give you more advice now.
A. studied
B. would study
C. had studied
D. was studying
答案:
A. studied
B. would study
(答案→)C. had studied
D. was studying
解析:本题考查虚拟语气。句意为“或许当初我要是学了理科而不是文科,现在就能给你更多的帮助。”then表示过去的时间,if引导的从句是对过去的虚拟,因此使用过去完成时。选C。