If You Conducted a Study and Found a Positive Correlation

If you conducted a study and found a positive correlation between amount of oat bran in the diet and cholesterol level, you could conclude that:

A) eating oat bran lowers cholesterol.
B) having low cholesterol causes people to eat oat bran.
C) amount of oat bran in the diet and cholesterol level are related to each other.
D) eating oat bran has nothing to do with cholesterol level.