Which of the Following Is the Most Likely Original Source

Multiple Choice

Which of the following is the most likely original source of the school's culture?

A) Mr.Adam Brix,a long time tutor and the school's union representative.
B) Dr.Samantha Alexander,who is in charge of candidate selection.
C) Vice Chancellor David Mollbey,who runs the entire university.
D) Professor Erica Dean,the school's first dean.