A. than B. thumb C. thank D. thinkĐoạn văn1/50Mark 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.thanthumbthankthinkGiải thíchĐáp án A A. than /ðæn/ B. thumb /θʌm/ C. thank /θæŋk/ D. think /θɪŋk/