F: Hey Mike, good to have you back. You look exhausted. ,M: Hi, Mary. Yeah. I'm totally beat. I can barely keep my eyes open. ,F: Was it a rough trip? ,M: Well, it was actually pretty productive. But all the flying really got to me.
(A) F: I am really happy that you think your trip is productive and don't look exhausted at all . (B) F: I am really happy that you think your trip is productive. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: Yeah, you think your trip is time-saving but you don't look exhausted at all.
B