Question 5: We might have failed if you _______us a helping hand. have

Question 5: We might have failed if you _______us a helping hand.

• A. have not given
• B. would not give
• C. had not given
• D. did not give

If + S + had+V(2), S + would + have + V(2): diễn tả điều không có thật trong quá khứ.