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 July 3 at Ocean City?
A. 2.8
B. 1.7
C. 2.1
D. 3
E. 1.4
A. 2.8
B. 1.7
C. 2.1
D. 3
E. 1.4