阅读下面材料，从题中所给的A、B、C三个选项中，选出最佳选项。

Potatoes were first grown in the Andes in South America. In 1586, they were taken to Europe by explorers(探险家). In 1719, they were taken to North America. Before 1719, nobody in North America had ever seen or eaten a potato. Today, each American eats more than 60 kilos of potatoes a year.