Select the Fallacy or Bad Argument Technique Which Occurs in the Following

Multiple Choice

Select the fallacy or bad argument technique which occurs in the following argument: Alice never drank until she left home and went to university, but these days she seems to be a raging alcoholic. There's no doubt about it - university made her into a drunk!

A) Post hoc ergo propter hoc
B) Fallacy of denying the antecedent
C) Common practice
D) Straw man