Which reason would an author most likely have for using description in a literary work

Which verb from is used to indicate the perfect progressive tense

What is the effect of narrator's word choice on the tone of this passage? the words "my heart shrank within itself" create a fearful tone. the words "better-omened" set a hopeful tone. the words "wounded his fellow" develop a remorseful tone. the words "struck harsh upon my ears" suggest an irritated tone.

The words screaming and rushed in the passage suggest which tone in the story the metamorphosis a.) tense b.) positive c.) fun d.) formal