Concept:The given phonetic symbol is /ɪə/, and we need the word containing that vowel sound.Explanation:"A. dear" is pronounced [dɪə(r)], so it contains the /ɪə/ sound.B. chair is [tʃeə(r)], which has /eə/ instead.C. night is [naɪt], which has /aɪ/ instead.D. reign is [reɪn], which has /eɪ/ instead.Only "dear" matches the required phonetic symbol.Answer:A. dear