Choose the word with a different way of pronunciation in the underlined part

Choose the word with a different way of pronunciation in the underlined part. Circle A, B or C.

1.A. lamb         B. label           C. lab
2.A. cup           B. cupboard        C. climb
3.A. pull           B. repeat            C. receipt
4.A. double       B. doubt           C. brother
5.A. special       B. park            C. raspberry