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. David: Hi, Emily! I haven’t seen you in so long! How’s everything?
b. David: That’s fantastic! I’ve been wanting to help out with animals too. How can I get involved?
c. Emily: Hi, David! Everything’s great. I’ve been volunteering at an animal shelter on weekends.