When Patricia was six months pregnant with her first child, Darin, her doctor gave her testosterone ...

When Patricia was six months pregnant with her first child, Darin, her doctor gave her testosterone to prevent a miscarriage. Patricia's second child, Chaz, was given shots of testosterone when he was six years old. Assuming all other things are equal, how aggressive will these two boys be when they are teenagers?
 
  a. Darin is likely to be more aggressive than Chaz.
  b. Chaz is likely to be more aggressive than Darin.
  c. They are both likely to be highly aggressive.
  d. They are both likely to be less aggressive than normal boys.