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. Tom: You should rest more. Work can wait.
b. Anna: I'm so tired today. I stayed up late finishing my project.
c. Anna: Yeah, I know. I think I'll take a nap after lunch.