The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on October 3 at Ocean City?
A. 2.6
B. 2
C. 1.6
D. 2.3
E. 2.8
A. 2.6
B. 2
C. 1.6
D. 2.3
E. 2.8