Here's a problem to solve: When performing an experiment for a science fair, what should be done if the data do not support the hypothesis?

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

- A: Check for errors and run the experiment again.
 
- B: Change the hypothesis to match the conclusion.
 
- C: Change the variable so the data will match the hypothesis.
 
- D: Ignore the data and prepare the science fair display anyway.
 