A Solicitation of Proxies from Holders of Stock

A solicitation of proxies from holders of stock:

A) is comprehensively regulated by the SEC.
B) includes a request for a proxy, but not a request to revoke a proxy.
C) gives any security holder entitled to vote the opportunity to communicate with other security holders. Upon written request, the corporation must mail the communication at the corporation's expense along with the solicitation.
D) All of these are correct.