A. flexible B. vehicle C. charity D. audition17/20Choose the letter A, B, C, or D to indicate the word that has a stress pattern different from the others.flexible vehicle charity audition Giải thíchD A. flexible /ˈfleksəbl/ B. vehicle /ˈvɪəkl/ C. charity /ˈtʃærəti/ D. audition /ɔːˈdɪʃn/