According to the author ______is effective in saving dying languages.A.choosing official

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According to the author, ______is effective in saving dying languages.

A.choosing official languages by the local people

B.a determined multilingual approach

C.encouraging immigrants to speak their native tongues

D.multilingual teaching in school education

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。