Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions

Đáp án C

- Discovery /dɪˈskʌvəri/ (n); sự khám phá

- Education /ˌedʒuˈkeɪʃn/ (n): giáo dục

- Contaminant /kənˈtæmɪnənt/ (n): chất gây bấn

- Experience /ɪkˈspɪəriəns/ (n): kinh nghiệm