human
Question: What should we do if a fire happens? Look at the following. 1. Shout----Shout as loudly as you can ,because people may be asleep. 2. Call 119----Never try to put out a fire yourself. Tell 119 where you are and what is on fire. 3. Keep down close to the floor----There's less smoke down there, so it's easier to breathe and see where you are going. 4. Test the door---- the door is cool, open it carefully. If the door is hot, don't open it! Try to find a different way out. 5. Get out---- not stop to pick up anything. A fire can become very big in afew seconds! 6. Don't use the lift ----ways use the stairs. The lift may go wrong and keep you inside. 7. Don't go back---- if you have left your pet or favorite toy inside, don't go back for it. Animals have a very good sense of smell. They often get out of building before people. You should keep down close to the floor because   _  .

Choices:
A) people may be asleep
B) the firemen can find you easily
C) there is less smoke down there
D) you should look after your things carefully
gpt
The correct answer is 2: there is less smoke down there.