CHOOSE THE BEST ANSWER FOR EACH OF THE FOLLOWING SENTENCES.

39. I regret behaving so impolitely with her and she was disappointed. A. Unless I behave so impolitely with her, she would not be disappointed. B. Provided that I did not behave so impolitely with her, she would not be disappointed. C. I wish I did not behave so impolitely with her. D. If I had not behaved so impolitely with her, she would not have been