Which sentence uses a compound subject? A) Social media is becoming both a bane and a benefit to both students and teachers in the classroom. B) Although the test was nearly impossible to complete, Professor Flores claimed that nobody failed the exam. C) The novelist gave a big sigh of relief after she finished her fourth (and in her opinion--her best) novel. Eliminate D) The large screen television and the state-of the-art sound system were the two biggest prizes on the game show.