Concept:Identify the option that has the same vowel sound as the underlined letter(s) in the given word.Explanation:The word containing the underlined letter(s) is not shown in the question.Therefore, a proper comparison cannot be made.Let us examine the vowel sounds of the options:A. "lust" has the sound /∧/.B. "clear" has the sound /ie/.C. "star" has the sound /α:/.D. "heat" has the sound /i:/.We need to know the sound of the underlined part in the original word before selecting an answer.Since that essential information is missing, no option can be confidently matched.Answer:Not determinable from the given information.