Why Would an Important Person in an Organization Be Willing

Why would an important person in an organization be willing to be interviewed by you,a mere student?

A) Many successful people want to help others, just as they have been helped.
B) If you've made contact through a referral, your interviewee will be helping the person who referred you.
C) The interviewee may be flattered that you asked for an interview.
D) All of the above are reasons why an important person in an organization would be willing to meet with you.