An artist is mapping out proposed new features for a triangular reflecting pool. She sketches the pool on grid paper. The coordinates of the vertices of the pool are (3, 3), (11, 3), and (3, −3). She wants to put a bench at the orthocenter of the pool. What are the coordinates of the bench?

A. (7, 0)

B. (3, 3)

C. (6, 1)

D. (5 2/3, 1)