B, the roof is equipped with multiple natural exhaust fans to radiate the heat of the building space. So b doesn't fit the question.
C, the roof with ETFE membrane structure can ensure that the venue uses natural light most of the day because of its good light transmittance, so C does not meet the meaning of the question.
D most of the water consumed by the swimming pool can be collected from the indoor roof for reuse, which is based on the liquefaction and vaporization of water.
So choose d