问一道题

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Public general hospitals originated in the almshouse infirmaries established as early as colonial times by local governments to care for the poor. Later, in the late eighteenth and early nineteenth centuries, the infirmary separated from the almshouse and became an independent institution supported by local tax money. At the same time, private charity hospitals began to develop. Both private and public hospitals provided mainly food and shelter for the impoverished sick, since there was little that medicine could actually do to cure illness, and the middle class was treated at home by private physicians.

According to the passage, the very first private hospitals

(A) developed from almshouse infirmaries

(B) provided better care than public infirmaries

(C) were established mainly to service the poor

(D) were supported by government revenues

(E) catered primarily to the middle-class patients

这是一篇文章的第一段，这道题是问这段的前两句的。答案是C,为什么A不对

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Both private and public hospitals provided mainly food and shelter for the impoverished sick, A 指的是public hospital