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. Laura: I think 1 have a fever. I've been feeling weak all day, and my head’s been pounding since this morning.
b. Brian: You'd better see a doctor and get some rest - it's important to take care of yourself.
c. Brian: What’s the matter with you? You look so pale.