43. Why are the tours described in this passage interesting for people?
(A) The tours are great experiences.
(B) The participants can go to parties.
(C) The participants have to pay for the trips.
(D) The participants canuse the money they collect for the charities.
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統計: A(31), B(2), C(2), D(21), E(0) #1760503
統計: A(31), B(2), C(2), D(21), E(0) #1760503