Circle the underlined word or phrase (A, B, C or D) that needs correcting

Circle the underlined word or phrase (A, B, C or D) that needs correcting 5.
The students laughed happy when they saw the monkeys eating bananas.
                          A            B                       C                             D
6. The information I got from the assistant was such confusing that I didn’t know what to do
       A                                                                      B                    C                            D
. 7. Have you ever considered work as a teacher after graduating from university? 
                         A                         B     C                                 D