Here's a problem to solve: After a soccer game, Brittany sat under a fan because she was hot. Under the fan, she felt cooler than before. Which explains why Brittany felt cooler under the fan?

Among the 4 following options, which is the correct answer?

- A: Air moving under the fan is cooler than air that is still.
 
- B: The evaporation of sweat absorbs heat from the skin.
 
- C: Water vapor from the fan condenses on the skin.
 
- D: The fan speeds convection currents in the air.
 