解析：As early as in 1647 Ohio made a dec_考试试题_口译笔译

【单选题】As early as in 1647 Ohio made a decision that flee, tax-supported schools must be established in every town to have 50 households or more.

A、has B．having
C、having had
D、had

网考网参考答案：B
网考网解析：
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