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補(bǔ)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.
正確答案：C
答案解析：前句中是在對美國獨(dú)身人中的具體情況進(jìn)行介紹，而且提到了一些美國人獨(dú)身leave alone的原因，這是一個(gè)線索詞，判斷C是答案，C中提到了更大多數(shù)美國人獨(dú)身的原因。
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