Why is cidny willing to help renne

Does any one read this story "when mr. came to dine". in 9th grade. plz i need with one question about this story?

Read the excerpt and answer the question. the boards themselves seemed to remain upright not from being nailed together but rather from leaning together, like a house that a child might have constructed from cards. what best describes the figurative language in the sentence above? idiom simile onomatopoeia personification

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.