WITHOUT YOUR HELP, I COULDN’T OVERCOME THE PROBLEM.A. IF YOU HADN’...

15. Without your help, I couldn’t overcome the problem.

A. If you hadn’t helped me, I couldn’t overcome the problem.

B. If you hadn’t helped me, I couldn’t have overcome the problem.

C. If you don’t help me, I can’t overcome the problem.

D. If you didn’t help me, I couldn’t overcome the problem.