单项选择题

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单项选择题
Before Jose Martinez set up his pizza delivery service, he
A．tested samples on potential clients.
B．handed out product questionnaires.
C．assessed demand in different areas.
D．trained staff for a few months.
单项选择题
The first English colony in America was founded in ______ in 1607.
A．Virginia
B．Massachusetts
C．New York
D．New Jersey
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