A、The man will fail the exam. B、The man is unable to hand in his papers. C、The woman is very strict. D、The woman will give stude

M: You see, a marine biologist is now appearing on the screen.
W: Yeah. We are now being taken on a tour familiarizing with life in the salty depth. It’s an interesting tele teaching lesson.
Q: What are the speakers doing?

M: Excuse me. Did you say that we did not have to hand in our final papers?
W: No, I said that my teaching assistant would collect the papers while I’ll grade them by myself.
Q: What can we conclude from the conversation?