Choose the word that contains the sound represented by the given phonetic symbol.
/ɔː/
Answer Details
The word that contains the sound represented by the phonetic symbol /ɔː/ is "authentic".
The symbol /ɔː/ represents a long open-mid back rounded vowel sound. This sound is pronounced by rounding the lips and slightly opening the mouth.
Out of the given options, only "authentic" contains this sound. The first syllable "au" in "authentic" is pronounced with the /ɔː/ sound, while the other options have different vowel sounds.
Therefore, the correct answer is "authentic".