We need some male ______ for a psychological experiment. A: objects B: subjects C: saplings D: examinees

According to the passage, which of the following did NOT happen in the room where the college entrance exam was going on A: The teachers in the exam hall tried to stop the police from entering into the room. B: Some examinees sent answers with mobile phones to people outside the room to make profits. C: The mobile phones were confiscated by the police. D: Some examinees forwarded answers to people who have paid a lot of money.