A large apartment building in a city was assessed by a city environmental bureau for the comparatively high consumption of electricity in the building, and the landlord was threatened with a possible fine if the consumption did not drop significantly in a specified period. While all built-in appliances and lighting in common areas are energy efficient, the landlord found, upon doing an inspection, many residents were using older portable heaters that are not very energy efficient. The landlord decided to send each resident a detailed letter about the electric energy consumption of these older portable heaters, recommending newer more energy efficient models that could be purchased at local stores. He hopes the letter will motivate enough residents to buy more energy efficient heaters.
Which of the following, if true, would provide most support for the prediction that the landlord's letter will have its intended effect?
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AResidents pay for their own monthly electrical use, and the rates in this city are high, so consuming less electricity would result in a sizable monthly savings.
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BThose apartments in the building with southern exposure get abundant sunlight, which has a substantial warming effect, and many of those residents do not use portable heaters.
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CSome cooking appliances, like a toaster or a waffle iron, consume considerably more electricity than a portable heater during the time they are operating.
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DThroughout the city, this same environmental agency threatened other landlords and business owners with fines for various reasons, and in almost every case, the concerned parties were able to make sufficient changes to avoid the fines.
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EThis landlord owns six apartment buildings of varying sizes in the city, and at each of the other five, the average electrical consumption is at or below the citywide average for buildings of that size.
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正确答案: A