According to the "Clovis first" theory, when did people travel to North America?

admin2022-05-20  45

问题 According to the "Clovis first" theory, when did people travel to North America?

选项 A、30,000 years ago.
B、13,000 years ago.
C、14, 000 years ago.
D、20, 000 years ago.

答案C

解析
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