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补全短文：
More and more Americans are living alone.Some live alone because of divorce or the death of a partner.________.According to a recent U.S.census （人口普查),25 percent of all households in the U.S.are made up of just one person.
A.It seems that many grown-ups today are realizing that childhood dream.
B.He says,"I like being by myself."
C.However,even more people are living alone because they have chosen to.
D.There's more pressure to get married nowadays.
正确答案：C
答案解析：前句中是在对美国独身人中的具体情况进行介绍，而且提到了一些美国人独身leave alone的原因，这是一个线索词，判断C是答案，C中提到了更大多数美国人独身的原因。
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