You don’t spend much time studying. You don’t make...

Câu hỏi: You don’t spend much time studying. You don’t make better progress.

A. If you spent much time studying, you couldn’t make better progress.

B. You couldn’t make better progress unless you spent much time studying.

C. Provided you spent much time studying, you couldn’t make better progress.

D. But for your laziness, you couldn’t make better progress.