47. What is the main idea of the passage?
(A) The impact of shopping on individuals.
(B) The consequences of careless shopping.
(C) The surveys on items people buy online.
(D) The cost of shopping in foreign countries.
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統計: A(128), B(56), C(48), D(30), E(0) #3230112
統計: A(128), B(56), C(48), D(30), E(0) #3230112