A. control B. unfold C. record D. followĐoạn văn19/50Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.controlunfoldrecordfollowGiải thíchGiải thích: C control, unfold, follow âm “o” phát âm là /əʊ/ record âm “o” phát âm là / ɔː/