Ethnolinguistics could be defined as

Select one:

a$.$ the study of how a culture uses language to emphasize concepts or things that are most important to them

b$.$ the study of the effectiveness of bilingual education programs

c$.$ the recording of previously unwritten languages to compile dictionaries and grammars of that language

d$.$ the study of how communication styles change depending on the social setting

e$.$ the study of the development of languages over time