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: Medical researchers have detected a correlation between the medication I'm taking for osteoporosis and cancer. I'm not taking any chances, I'm going to stop taking it, it causes cancer.

A) Mistaking correlation for cause
B) Post hoc ergo propter hoc
C) Inversion of cause and effect
D) Conflation of cause and effect