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. Lan: "The Green Hut. They're supposed to have amazing pastries."
b. Duy: "No, I didn't! What's it called?"
c. Lan: "Hey, did you hear about the new coffee shop that opened downtown?"