Find the word which has a different sound in the part underlined

I. Find the word which has a different sound in the part underlined

Question 1. A. photo             B. favour                   C. volleyball                    D. laugh

Question 2. A. cinema          B. comic                    C. cake                        D. cool

Question 3. A. guess           B. big                       C. sign                            D. again

Question 4. A. picture         B. sure                      C. nurture                         D. nature

Question 5. A. rehearse      B. return                  C. first                             D. collector