49. What kind of social system does the author think is unacceptable?
A) One in which the wealthy exploit the low-wage laborers building their houses.
B) One in which the rich purchase amenities at an increasingly unjustifiable price.
C) One in which the upper classes deprive the lower classes of affordable housing.
D) One in which the affluent enjoy a more comfortable life at the expense of the poor.
（本题出自2023年6月四级真题卷一）
答案&解析：
49.D)
【精析】推理判断题。由第五段第一句“两者都不可接受”可知，不可接受的问题在第四段。第四段最后一句提到一种“富人购买便利设施的增加意味着穷人的便利设施减少”的制度。换言之，作者反对“富人通过牺牲穷人的生活品质而享受更舒适的生活的制度“,故答案为D)。
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