Directions: Read the passage and answer the questions below: Though our body provides antibodies to fight against infections, we should also try to keep ourselves away from diseases. The most important thing for that is to stay clean. We should keep our body as well as our surroundings clean. We should never let the water collect at any open place as it provides the mosquitoes a place to breed. Mosquitoes spread the disease called malaria. We should never keep the eatables without covering them. The flies coming from dirty places sit on the uncovered food and spread infections. By eating the contaminated food we can fall ill. What harm do flies do to the uncovered food?

• A. They eat the food.
• B. They take the food along with them.
• C. They contaminate the food.
• D. None of these