A、They are talking about the scenery. B、They are enjoying the flowers. C、They are arguing about something. D、They are climbing u

M: Look, how tall the mountain is! Let’s climb up to the top.
W: Well, I’m feeling a bit tired.
M: Come on! You can’t really enjoy the beauty of the mountain if you don’t climb.
W: OK. Let’s go. Wow! The scenery here is really marvelous! The flowers, the trees, and the fresh air!
M: I’ve told you that climbing is rewarding!
W: I feel as if I were in a different world.
M: Seeing is believing!
W: You are right.
M: Are you feeling tired now?
W: No. I’m really enjoying the beauty of the nature. Let’s make a last eftort to the top.
Question 9: What are the two speakers doing?