Which one of the following is an example of a poison pill?

	A.	A firm that pays all its cash as dividends to existing shareholders because it interests the acquirer.
	B.	A firm that sells its efficient business division because it interests the acquirer.
	C.	A firm that distributes new shares to the existing shareholders at a discount in the event of a takeover.
	D.	A firm that opens talks with another potential acquirer.