[Battle for the Board] the Board of Directors of InfoHub

[Battle for the Board] The Board of Directors of InfoHub, an internet service provider, contains 9 directors. Two of the directors, Jude and Rostan, decide they want to replace several of the directors with individuals who support their position and then take over the Board and control the company. Jude thinks it's a long shot, but Rostan tells him they could do it because Rostan has gradually been accumulating shares and they can get a majority of proxies on their side. Jude says the proxies are not important, because it's the shareholders that vote for the members of the board but it is difficult for them to find the names of shareholders. Rostan tells him not to worry, because he will get the shareholder list and focus only a few key shareholders, then get their proxies on his side before the next shareholder meeting.
-What type of takeover is contemplated in this situation?

A) Beachhead offer
B) Exchange tender offer.
C) Cash tender offer.
D) Beachhead acquisition.
E) Takeover acquisition.