From different perspectives， sociolinguistics may be classified into（）.

A.Sociolinguistics and sociology of language

B.Macro-sociolinguistics and micro-sociolinguistics

C.Broad sociolinguistics and narrow sociolinguistics

D.Sociolinguistics and social dialects

正确答案：Sociolinguistics and sociology of language；Macro-sociolinguistics and micro-sociolinguistics；Broad sociolinguistics and narrow sociolinguistics