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单选题
It can be learned that Methuselah _____.
A
is an ancient tree about 2000 years old
B
is grown from a seed about 2000 years old
C
had already become extinct 2000 years ago
D
has been the food source since 2000 years ago
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参考解析
解析：
第一段最后一句说这颗小树是由两千年前的种子发芽长成的。
第一段最后一句说这颗小树是由两千年前的种子发芽长成的。
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