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 11 to 15.

1. Alex: "Hey Sam, how's your semester going so far?"
2. Sam: "It's going pretty well, thanks! How about you?"
3. Alex: "It's been challenging. I have early classes every day and I'm not a morning person”