Mark the letter A, B, C, or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17.

a. Emma: Hi, Jack! It’s been a while! You look great!
b. Jack: Thanks, Emma! I’ve been going for a run every morning and eating healthier.
c. Emma: I can see the difference! Have you been following this routine for long?