Answer and Explanation:
In the story "The Moustache" by Richard Cormier, Mike visits his grandmother at a nursing home. <u>Visiting his grandmother affects Mike by giving him a new perception of his grandparents</u>. It is revealed to Mike that his grandmother accused his grandfather of cheating. She regrets making such an accusation, but she never got the chance to be forgiven for doing it. Mike's grandfather passed away, and now his grandmother lives with a guilty conscience. That was something Mike did not know about.<u> Getting to learn about his grandparents' life like that makes him realize they are people just like anyone else, with problems and emotions</u>. Sometimes, it is easy for younger people to forget the elderly have also lived a full life.
I would say it was D. A lump as big as a pin