单选题
William Fart"s study and other studies show that ______.
A、
social life provides an effective cure for illness.
B、
being sociable helps improve one"s quality of life.
C、
women benefit more than men from marriage.
D、
marriage contributes a great deal to longevity.
【正确答案】
D
【答案解析】
根据文章第一段中the biggest longevity(长寿)boost seems to come from marriage…直接可以得知D项正确。故答案为D。
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