42. If there were a sixth paragraph following the passage, what topic would it most likely discuss?
(A) The history of the first mountaineering expeditions.
(B) Famous mountaineers and their personal achievements.
(C) New technological advances in rock climbing equipment.
(D) How climbers can balance adventure with environmental responsibility.

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統計： A(0), B(0), C(0), D(2), E(0) #3828500