Which comparison would best support the idea presented in this paragraph?

through the process of phagocytosis, specialized cells in the immune system engulf and destroy unwanted microorganisms in the blood. this serves to remove foreign bodies and fight infection. these cells, called phagocytes, first surround the microorganisms and then begin a series of chemical reactions that break them down.
a. as if in a war, the phagocytes battle the microorganisms for control of the immune system.
b. much like the process of digestion, the phagocytes "eat" and then digest the unwanted organisms.
c. the phagocytes act as tour guides, showing microorganisms where they need to reside.
d. acting like a cargo transport, the phagocytes move the unwanted organisms out of the body.

Can someone me with this prompt and a multi paragraph essay? the best villain many stories feature a hero who behaves honorably and fights for good. these same stories often include a villain who behaves selfishly and stands at odds with the hero. in your opinion, who is the best villain from a movie or piece of literature? think about what traits make him or her a good villain, and how he or she contrasts the hero. write an essay that describes your favorite villain. be sure to include details about the villain's characteristics, and compare those traits to the hero's characteristics. as you write, remember your essay will be scored based on how well you: develop a multi-paragraph response to the assigned topic that clearly communicates your controlling idea to the audience. •support your controlling idea with meaningful examples, information, and references from the text. •cite direct quotes and any information that has been paraphrased from the passages that you have read. •organize your essay in a clear and logical manner, including an introduction, body, and conclusion. •use well-structured sentences and language that are appropriate for your audience. •edit your work to conform to the conventions of standard american english.