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.

a. Liam: They've organized some special events and alumni activities, right?
b. Liam: I know! Are you planning to attend the anniversary celebration?
c. Emily: I can't believe our school is celebrating its 50th anniversary this year!
d. Emily: Absolutely! It'll be a great chance to reconnect with old friends.
c. Emily: Yes, I'm excited to see how they'll commemorate this milestone.