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 January 27 at Sandy Point?
A. 2
B. 1.5
C. 1.9
D. 2.3
E. 2.5
A. 2
B. 1.5
C. 1.9
D. 2.3
E. 2.5