The goal of ______ is to explore the nature of language variatio

The goal of ______ is to explore the nature of language variation and language use among a variety of speech communities and in different social situations. ()
A、psycholinguistics
B、sociolinguistics
C、historical linguistics
D、general linguistics
【正确答案】：B
【题目解析】：(P164)解析:社会语言学的目的是要对不同的言语社区和不同的社会情景中语言变异和语言使用情况的本质加以研究。