he provides statistics and explains that its psychologically harmful
Answer:
Once upon a time, in a far away swamp, there lived an ogre named Shrek (Mike Myers) whose precious solitude is suddenly shattered by an invasion of annoying fairy tale characters. They were all banished from their kingdom by the evil Lord Farquaad (John Lithgow). Determined to save their home -- not to mention his -- Shrek cuts a deal with Farquaad and sets out to rescue Princess Fiona (Cameron Diaz) to be Farquaad's bride. Rescuing the Princess may be small compared to her deep, dark secret.
Explanation:
Answer: A) to persuade.
Explanation: When writing a text, the author always has a purpose behind the way he/she expresses his/her ideas, this purpose can be to entertain, to persuade, to inform, to make a critique, etc. In the given excerpt about the importance of donating blood and the reasons to do it, we can see that the author's purpose is to persuade (to convince) the audience of becoming a volunteer donor, in order to help people.