What’s the answer for this question

Which of the following sentences is grammatically correct?

Life is a barren field frozen with snow. what literary device is he using? a.metaphor b. simile c. personification d. none of the above

How are montag and faber opposites of each other? a) montag is a firefighter, therefore it is his job to burn books. faber used to be and english professor, and it was his job to teach students about books. b) montag is passionate and determined, and farber is wise and cautious c) montag is brave enough to steal and illegal book. faber was too afraid to speak up when books started to become illegal. d) all of the answer choices are correct