I believe Sylvia Plath effectively employees poetic devices that like simile and metaphor in the child to bring out the contrast between adult World and a child's World. Why is it a weak thesis statement for an interpretive essay?

Read this passage from an analysis essay: allegories do three things. first, they tell a story. allegories also have multiple meanings. finally, allegories offer a moral lesson. which best uses parallelism to revise this passage? a. telling a story, having multiple meanings, and moral lessons: these are the things allegories do. b. allegories, tell a story, multiple meanings, and a moral lesson. c. allegories tell a story, have multiple meanings, and offer a moral lesson. d. allegories tell a story, and have multiple meanings and offer a moral lesson.2b2t