When a Firm Is Facing a Hostile Takeover Attempt,it May

When a firm is facing a hostile takeover attempt,it may issue a poison pill,which is

A) when it fires its board of directors for incompetence.
B) when the firm allows stockholders to buy up shares of stock at lower than market value.
C) when the executive suite quits en masse before a takeover.
D) a term for plummeting stock values.
E) merely a harshly worded letter to the company attempting to take it over expressing dismay at the maneuver.