Concept:The underlined letters are from the word "steak"; they have the vowel sound /ei/.Explanation:The word "steak" is pronounced /steik/.Its underlined vowel sound is the long /eı/ sound.Now check the options.A. "stake" is pronounced /steik/ — it has the same /ei/ sound.B. "mead" is pronounced /mi:d/ — it has /i:/, not /eı/.C. "meadow" is pronounced /’mϵdoυ/ — it has /ϵ/, not /ei/.D. "bellow" is pronounced /ˈbɛloʊ/ — it has /ε/, not /eɪ/.Therefore, the correct match is "stake".Answer:A. stake