From the choices above, it is letter C: to describe personal reactions to an incident. When one writes a reflective essay, he or she express opinions on a specific subject. He wants to put what is his opinion about the event or happening or story. He also wants to persuade readers to agree with an opinion, his opinion or the opinion he is supporting. He tries to reflect personal thoughts or changes in ideas so that he could make a comprehensible essay and persuade other.