问答题

The possibility of making the social websites helpful to the police is mostly based______.
A．the insiders who informs the police of helpful tips
B．the technical support offered by the websites
C．the large group of users of the social websites
D．the students' casualness on releasing information online

A.
A．the
B.the
C.the
D.the

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C.
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D.
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______born in Chicago, the author is most famous for stories about New York City.
A．Although
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