In what way are attitudes toward drug-taking behavior in twenty-first century America different from ...

In what way are attitudes toward drug-taking behavior in twenty-first century America different from attitudes that prevailed at an earlier time?
 
  a) There is greater awareness of the wide range of psychoactive drugs and the potentials for abuse they present
  b) There is a greater proportion of individuals seeking treatment and being willing to acknowledge drug dependence.
  c) There are much fewer drug overdoses and accidents due to the greater awareness of the dangers associated with drug abuse.
  d) There is greater awareness that prescription drug abuse has fewer negative effects compared to illicit drug abuse.