Here's a problem to solve: A student wants to know how long it takes mold to form on bread. After preparing the bread for the investigation, what should the student most likely do next?

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

- A: Check the bread each day.
 
- B: Record the temperature of the bread.
 
- C: Measure the weight of the bread.
 
- D: Give the bread different amounts of light.
 