单项选择题

As early as in the development of agriculture, men discovered how to make alcoholic drinks from grapes and corn.

A．在农业发展的早期，人类就找到了用葡萄和玉米酿酒的方法。
B．早在农业发展时期，人类就发现了如何用葡萄和玉米来酿酒。
C．在农业发展的早期，人类就发现葡萄和玉米可用来酿酒。
D．早在农业刚刚发展之时，男人们就开始用葡萄和玉米来酿酒。
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