Choose the underlined part (A, B, C, D) that needs correcting.  My classmates are interested in join the English speaking contest held or secondary school students in  An Giang

Choose the underlined part (A, B, C, D) that needs correcting.

 My classmates are interested in join the English speaking contest held or secondary school students in An Giang

                            A                       B                                C                                                                      D