Concept:The word "there" has the vowel sound /eə/. We need to choose an option that contains the same vowel sound.Explanation:The underlined letters in "there" are pronounced with the sound /eə/.This is a diphthong that moves from /e/ to /ə/.The word "their" is pronounced with the same vowel sound /eə/.Words like "ear", "fear", and "peer" contain the sound /ɪə/, not /eə/.Therefore, the correct match is "their".Answer:A. their