(Native) to South America (and cultivated) there for thousands of years, the peanut
(is said) to (have introduced) to North America by early explorers.
答案是C, 可我不明白. 请哪位高人帮忙解答一下,好吗? 谢谢了
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觉得应该是D错 HAVE BEEN INTRODUCED
我觉得是the peanut said或是the peanut is told.
(is said) to (have introduced) to North America by early explorers
have introduced.........be
agree with d
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