When two languages or language varieties, especially a H-variety and a L-variety, exist side by side in a community and each is used for different purposes, it is called _______.
A、code-switching
B、diglossia
C、code-mixing
D、bilingualism
\n When two languages or language varieties, especially a - Lecture 4 Multilingual Societies and Multilingual Discourse - 社会语言学 - U校园 | 大学网课搜题引擎