GAUSS7 2010 Problem 5

Chaz gets on the elevator on the eleventh floor. The elevator goes down two floors, then stops. Then the elevator goes down four more floors and Chaz gets off the elevator. On what floor does Chaz get off the elevator?

Answer Choices
A. 7th floor
B. 9th floor
C. 4th floor
D. 5th floor
E. 6th floor