Identifying Sentences and Fragments (I'm dumb, p. s. ignore the subject type bc I just need this answered-)

Me ! select the correct answer. which sentence is an oxymoron? a. to have peace, we must go to war. b. a glass can be viewed as either half full or half empty. c. the lawyer was deceptively honest with his clients. d. spies do not dress like spies. e. though the lab was messy, there was a method to his madness.