Final answer:
John can use an 'I' statement focusing on his own challenges to address the situation effectively without apologizing, by saying 'I felt I had some challenges during the competition.'
Step-by-step explanation:
To address the situation effectively without resorting to an apology, John could use an 'I' statement that expresses his personal feelings or experience without blaming others or making excuses. The suitable 'I' statement from the given options would be: B) I felt I had some challenges during the competition. This type of statement takes ownership of one's personal experience and expresses it in a way that does not put others on the defensive or make excuses.