Listen carefully to what they tell you. Smile and nod a lot. Then review what was said very carefully. If seven or eight of them are hitting on that same thing, I'd still suggest changing it. Observe all rules for proper submission Return postage, self-addressed envelope, all of that.
Agents also have to pay the rent.
Beginning writers do not contribute to that or any other necessity of life. Flog your stories around yourself. If it's bad, kill it When it comes to people, mercy killing is against the law. When it comes to fiction, it is the law. That's everything you need to know.