Correct option is D
In Received Pronunciation (RP) English, there are 24 consonant phonemes. Phonemes are the smallest units of sound that can distinguish meaning in a language. The 24 consonant phonemes include sounds like /p/, /b/, /t/, /d/, /k/, /g/, /f/, /v/, and others.
Information Booster:
• RP is considered a standard accent of British English.
• Consonant phonemes in RP include plosives, fricatives, affricates, nasals, and approximants.
• RP uses 44 phonemes in total: 24 consonants and 20 vowels (12 pure vowels and 8 diphthongs).
• Phonemes differ from letters; the same letter may represent different sounds (e.g., "c" in "cat" vs. "c" in "cell").
• Phonetic transcription helps in learning accurate pronunciation.