According to the Text, Which One of the Following Is

According to the text, which one of the following is the MOST appropriate way to interpret a strong relationship between levels of testosterone and sociability and aggression?

A) High levels of testosterone cause people to be more social and aggressive.
B) Individuals who are social and aggressive put themselves in situations that will always increase their testosterone levels.
C) There is evidence behind increases in testosterone being both cause and effect for increases in sociability and aggression, and so we cannot make a claim to know the directionality of this relationship.
D) There is not a strong enough relationship between testosterone and sociability and aggression to merit its interpretation.