Review on the Feedback of my roundtable discussion

My reviewer said I was not keeping eye contact with the listeners. I remember that, on that day, when I do the roundtable discussion, I was not nervous at all and I feel energetic and are in high spirit. So, what my reviewer said should not be a result of nervousness. In my opinion, the reason why I did not keep eye contact with the listeners is that I was looking at my opponents.
However, I think I did a poor work on generating my ideas and post them out. I really got a lot of materials and figures that can reenforce my arguements. When it is my turn to speak, I always got excited and speak on one thing for a long time. After that, I did not have time to deliver my other facts that can reenforce myself.
For the whole roundtable disscussion, I think what I did is not so good. I think I can do better next time if I can make myself more organized. Anyway, this roundtable disscussion is useful for my WA2 wrinting I think, and it did improve myself.