Mark the letter A, B, C or D on your answer sheet to indicate the correct sentence that best combines each pair of sentences in the following questions.

Nam was so rude to them last night. Now he feels regretful.

A. Nam regrets to have been so rudeto them last night. 

B. Nam regrets having so rude to them last night. 

C. Nam wishes he hadn’t been so rude to them last night.

D. Nam wishes he weren’t so rude to them last night.