单项选择题

A．Traded them with neighboring families.
B．Sold them to people in cities and town.
C．Kept themselves fed and clothed~
D．Nourished their crops and livestock.
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A．At a mine.B．In a new car showroom.C．In a parking lot.D．At a car repair shop.
A．At a mine.
B．In a new car showroom.
C．In a parking lot.
D．At a car repair shop.
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A．Excellent quality.B．Large productivity.C．Good flavor.D．Both A and B.
A．Excellent quality.
B．Large productivity.
C．Good flavor.
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