71 This second paragraph is mainly about
(A) the training of a volunteer guide at NPM
(C) the competition among the applicants
(B) the honor to become a guide
(D) the works of art in the NPM
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統計: A(2), B(0), C(0), D(0), E(0) #3382518
統計: A(2), B(0), C(0), D(0), E(0) #3382518