Which of the Following Is True Regarding Section 16(c)'s Restriction

Which of the following is true regarding Section 16(c) 's restriction on selling stock short?

A) Section 16(c) prohibits officers, but not directors, from selling any of their company's equity securities short.
B) Section 16(c) prohibits directors, but not officers, from selling any of their company's equity securities short.
C) Section 16(c) prohibits officers or directors from selling any of their company's equity securities short.
D) Section 16(c) allows both officers and directors to sell their company's equity securities short so long as the equities are obtained and delivered within twenty days after the short sale.