Which of the following photographs (A, B, C or D) shows a strategy for providing insulation for the building and cooling the outdoors?
(A)
(B)
(C)
(D)
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統計: A(0), B(0), C(8), D(3), E(0) #2137000
統計: A(0), B(0), C(8), D(3), E(0) #2137000