According to Kavanaugh and Maratea, the Case of Meth Use

According to Kavanaugh and Maratea, the case of meth use ______.

A) Started out as a moral problem but was gradually framed as a scientific risk
B) Is framed as a purely scientific risk by the media over time
C) Started out as a scientific risk but gradually acquires a moral connotation
D) Is framed as a purely moral problem by the media over time