At the End of a Job Interview at Facebook, the Interviewer

Multiple Choice

At the end of a job interview at Facebook, the interviewer asks you if you have any questions. Which of the answers below will impress the interviewer the most?

A) No, thanks. I don't have any questions. I have already done a lot of research on Facebook.
B) Yes. What kind of training do you provide?
C) Yes. Is this portrayed fun work environment at Facebook for real, or is it just a tactic to attract employees?
D) My research on Facebook shows that the company helped launch Cause, a company dedicated to helping non-profit organizations fundraise. As you can see from my résumé, I have coordinated many fundraising activities for social causes in my city. I was wondering if I would have the opportunity to work on projects related to Cause or on fundraising for social causes in general.