Choose the word whose underlined part is pronounced differently

Choose the word whose underlined part is pronounced differently.
21(d). A. different B. world C. disaster D. practised
22(f). A. of B. off C. profile D. prefer
23(ea). A. defeat B. dead C. leader D. pleasing
24(ed). A. involved B. offered C. outnumbered D. helped
25(es). A. dishes B. oranges C. experiences D. chores