According to the Text,a Study on Anabolic Steroid Use and Psychological

According to the text,a study on anabolic steroid use and psychological problems found that __________.

A) testosterone increased manic behavior and feelings of aggressiveness,but individual reactions varied
B) testosterone decreased manic behavior and increased feelings of aggressiveness
C) anabolic steroid use did not affect testosterone levels
D) whether or not the testosterone produced aggressive behavior depended on the timing of the drug use