河南成教 / 英语语言学
正确率：100%
1[单选题]
_______ is concerned with the social significance of language variation and language use in different speech communities.
A.Psycholinguisticss
B.Sociolinguistics
C.Applied linguisticss
D.General linguistics
_______ is concerned with the social significance of language variation and language use in different speech communities.
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