Concept:The given phonetic symbol is /ʊ/, the short vowel sound as in “put”.Explanation:Say each option aloud and listen to the vowel sound:A. choose → /tʃuːz/ (long /uː/)B. tool → /tuːl/ (long /uː/)C. book → /bʊk/ (short /ʊ/)D. scoop → /skuːp/ (long /uː/)Only “book” contains the matching short vowel /ʊ/.Answer:C. book