题目内容：
By saying "spending of any sort became deeply unfashionable" (Line 1-2, Para.3), the author sug- gests that（ ）
A． collectors were no longer actively involved in art-market auctions B． people stopped every kind of spending and stayed away from galleries
C． art collection as a fashion had lost its appeal to a great extent
D． works of art in general had gone out of fashion so they were not worth buying
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答案解析：