According to the Text, the "Doomsayers" Who Argue That, in All

According to the text, the "doomsayers" who argue that, in all likelihood, the worst-case scenario-a huge increase in harmful drug abuse-will come about under drug legalization are:

A) right.
B) wrong.
C) could be right or wrong-who knows?
D) are optimists-the outcome will be even worse than the "doomsayers" prediction.
E) none of the above.