According to the passage what was the first great step toward the practice of agriculture

外语类 公共英语 已帮助 人

According to the passage, what was the first great step toward the practice of agriculture?

A.The invention of agricultural implements and machinery .

B.The development of a system of names for plants.

C.The discovery of grasses that could be harvested and replanted.

D.The changing diets of early humans.

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