题目内容：
WhatdidCongressandtheObamaadministrationdoforslowingglobalwarming? A．Collectingtheevidenceofclimatechange.
B．Takingactiontolimitemissionswhichabsorbheat.
C．Recordingthehighesttemperatureinayear.
D．Negotiatinganewtreatyforreducingtheemissions.
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答案解析：