F: Would you like to stop for a rest now? ,M: Let's keep going. We're almost to the top of the hill.
(A) F: Excuse me, could you repeat the question? (B) F: I want to keep something, not climbing. (C) F: Are you climbing the mountain? Why not watch TV at home like I do. Climbing is tiring. (D) F: OK. We are now climbing almost at the top of this hill.
D