单选题According to Paragraph 1, what has been unsettled about language learning is ______.A the way of proving Penfield’s suggestions.B the theoretical value of Penfield’s argument.C the intensity of language training programs.D the best age for second langu

题目
单选题
According to Paragraph 1, what has been unsettled about language learning is ______.
A

the way of proving Penfield’s suggestions.

B

the theoretical value of Penfield’s argument.

C

the intensity of language training programs.

D

the best age for second language learning.


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参考答案和解析
正确答案: C
解析:
细节理解题。根据题干信息定位到文章第一段最后一句“…the issue of the best age for language learning has remained unresolved even many years…”,由此可知,学习语言的最佳年龄这个问题仍然没有解决,故答案为D项。