Compared to Buying Stock in a Publicly-Held Firm, Investing in a Private

Compared to buying stock in a publicly-held firm, investing in a private firm

A) is often considered safer because private firms are subject to stricter regulations.
B) is often considered riskier because public firms are subject to stricter regulations.
C) is often considered riskier because private firms are subject to stricter regulations.
D) is often considered safer because public firms are subject to stricter regulations.