b. Do
Auxiliary verbs form the mood or tense of the other verbs in the sentence. There are three primary auxiliary verbs in the English language and these are: be, have and do.
Retort. Retorts are answers to remarks that are delivered in a sharp and witty manner, also they're often angry.
Understatement for sure. Her car is on fire and she says it's only a little trouble. :)
Figurative language is mostly used to leave a long lasting impression of something. Writers create images using figurative language so as to have us analyze and observe them in more detail. All of this is especially true of poets and poems who use metaphors, personification, and other narrative devices, so as to convey meaning almost all the time.