Choose the word whose underlined part is pronounced differently

Choose the word whose underlined part is pronounced differently.
46(o). A. compulsory B. confide C. contractual D. conical
47(u). A. curriculum B. universal C. uniform D. university
48(e). A. general B. education C. secondary D. remember
49(i). A. primary B. kindergarten C. childhood D. light
50(o). A. wholesale B. category C. hostess D. snowy