Please help me, I have to turn this in by tomorrow can you guys please help. It's about Animal Farm, and I didn't have the book so I couldn't read it. I'll do anything, thank you!

Which sentence best describes the chief characteristics of blank verse? a. it is always made up of eight syllables and never rhymes. b. it is in iambic pentameter and doesn't rhyme. c. it can be in any kind of meter but must never rhyme. d. it is in iambic pentameter and must always rhyme