48. Why does the article mention the buildings in England and in California?
(A) To explain how much money green buildings can save.
(B) To compare older green buildings with newer ones.
(C) To show American green buildings are better than British ones.
(D) To give examples of the world’s earliest green buildings.
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統計: A(115), B(187), C(218), D(980), E(0) #3157093
統計: A(115), B(187), C(218), D(980), E(0) #3157093