Final answer:
Gregor's attempts to crawl on the walls
Step-by-step explanation:
The part of The Metamorphosis that might make the story a comedy is Gregor's attempts to crawl on the walls. This is because it is a humorous and absurd situation. Despite being transformed into a giant insect, Gregor tries to hold onto his human behavior and crawls on the walls, which is both comical and bizarre.
Learn more about Humor in The Metamorphosis