The Following Is True About Poison Pills EXCEPT

The following is true about poison pills EXCEPT:

A) A popularly used poison pill gives the target firm's shareholders the right to buy the acquirer's stock for a deep discount if its firm is acquired.
B) Only a small fraction of the S&P500 firms have a poison pill.
C) Another form of a poison pill is a firm's debt becoming immediately due once it is taken over.
D) All of the above is true.
E) All of the above is false.