Choose the letter A, B, C, or D on your answer sheet to indicate the correct arrangement of the sentences/utterances to make a meaningful paragraph/ letter/ dialogue in each of the following questions.

a. Jack: Hi, Peter! It’s been a while. You seem so energetic!

b. Jack: Yes, I started running in the mornings and drinking more water.

c. Peter: Hey, Jack! Thanks! You look in shape, too. Have you changed your routine lately?