Cindy conducted an experiment for her science class. She repeated the experiment three times. Each time, Cindy got a different result. What should a Cindy do next?
A. Add another variable into the experiment and repeat the experiment a fourth time.
B. Go over the experimental process to make sure there is only one variable
C. Stop trying to test the current hypothesis and find a new hypothesis to test
D. Use the results obtained from the first experiment to draw conclusions