35 Mountain-climbing is an opportunity to participate in a very individual _______ which pits the climber against nature.
(A) competition
(B) finance
(C) surveillance
(D) punctuation
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統計: A(217), B(22), C(61), D(36), E(0) #3017653
統計: A(217), B(22), C(61), D(36), E(0) #3017653