Choose the word which has the underlined part pronounced differently from the others

I. Choose the word which has the underlined part pronounced differently from the others
1. A. twice           2. A. about           3. A. cover            4. A. plates              5. A. laughed
    B. flight               B. around             B. oven                 B. cakes                  B. learned      
    C. sound            C. sound               C. coffee               C. mates                 C. changed
    D. mind              D. young               D. company          D. changed             D. arrived