The study of the sound system of language is:AMorphologyBSyntaxCPhoneticsDPhonologyAnswer: D. Phonology Read Explanation: Phonology is the branch of linguistics that studies the sound system of a language. It focuses on:How phonemes (the smallest units of sound) function within a particular languagePatterns and rules that govern sound combinations and pronunciationHow sounds interact (e.g., stress, intonation, assimilation) Read more in App