The practice of alternating between two or more languages or varieties of languages in conversation.ARegisterBDialectCCode switchingDDialogueAnswer: C. Code switching Read Explanation: Code-switching refers to:The Practice of Alternating Between Two or More LanguagesCode-switching occurs when:Bilingual or multilingual speakers switch between languages in a single conversation, sentence, or even within a phrase.Speakers alternate between languages to convey different meanings, express identity, or adapt to social contexts.Code-switching can involve:Switching between languagesMixing languagesUsing language blends or hybrid expressions Read more in App