Which literary device is used in the following sentence?
“marie worked all day like an ant getting ready for the winter.”
alliteration metaphor simile rhyme scheme

Coming to school each day, having the necessary materials, and to do homework students to be successful in school. choose the answer that is the most effective substitute for the underlined part of the sentence. if no substitute is necessary, choose ‘leave as is.’ a) leave as is. b) coming to school each day, have the necessary materials, and do homework c) come to school each day, having the necessary materials, and to do homework d) coming to school each day, having the necessary materials, and doing homework

Could someone me with this question?

What happens to lovers when there are decreased levels of serotonin in the brain?