Mark the letter A, B, C, or D on your answer sheet to indicate the correct arrangement of the sentences to make a meaningful exchange or text in each of the following questions.

a. Alice: "That sounds serious. Have you been to see a doctor?" b. Mark: "Not great, actually. I've been feeling under the weather for a few days." c. Alice: "How have you been, Mark?"

Đáp án đúng là: C