Concept:Stress pattern refers to which syllable receives the greatest emphasis in a word.Explanation:• A. blossom is pronounced /’blos.uhm/, with stress on the first syllable.• B. faucet is pronounced /’fo:.sit/, with stress on the first syllable.• C. gainsay is pronounced /,gein’sei/, with primary stress on the second syllable.• D. bosom is pronounced /’buz.uhm/, with stress on the first syllable.Only gainsay has a different stress pattern.Answer:C. gainsay