Correct Response: B. Pragmatics is the study of language use from the point of view of the users of a given language, including the language choices and constraints they encounter in various social contexts. The role and accurate interpretation of nonverbal cues, including silence, falls within the domain of pragmatics. A and C are incorrect because they relate to grammatical aspects of a language. D is incorrect because it relates to philology, or historical linguistics, not pragmatics.