42. How are the author’s ideas developed in the last two paragraphs?
(A) By definition.
(B) By comparison.
(C) In time order.
(D) In space order.
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統計: A(13), B(20), C(44), D(6), E(0) #866850
統計: A(13), B(20), C(44), D(6), E(0) #866850