F: How was your economics class? ,M: Well, to be honest with you, I fell asleep during the lecture. ,F: Was it that boring? ,M: No, it wasn't the teacher's fault. The problem is that I can't stay awake for a 2 hour lecture. I had been working in the evening at the hospital.
(A) F: You are still awake even if you are sick. Good for you! (B) F: You must be very sleepy because you worked at night. Sounds tired. (C) F: You are still wide awake after you worked at night. Good for you! (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
B