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 December 5 at Sandy Point?
A. 3.1
B. 2
C. 1.5
D. 1.7
E. 3.5
A. 3.1
B. 2
C. 1.5
D. 1.7
E. 3.5