I'm not in this class but what it sounds like Yes when you are taking photos you are aiming to take pictures of things like The vows and the exchanging of the rings and the kiss so it is both telling a story and capturing emotion.
The best and most correct answer among the choices provided by the question is the fourth choice. The thickness of the carpet ins not an example of Ingres' use of texture. I hope my answer has come to your help. God bless and have a nice day ahead!