Concept:Rhyming words share the same final vowel and consonant sounds after the last stressed syllable.Explanation:The given word is taciturn, pronounced /ˈtæs.ɪ.tɜːn/.Its final sound is /ɜːn/.A rhyming option must also end with the sound /ɜːn/.A. rerun is /ˌriːˈrʌn/, which ends in /ʌn/, not /ɜːn/.B. tarn is /tɑːn/, which ends in /ɑːn/, not /ɜːn/.C. around is /əˈraʊnd/, which ends in /aʊnd/, not /ɜːn/.D. burn is /bɜːn/, which ends in /ɜːn/.So burn matches taciturn.Answer:D. burn