Tide

-10123timenoonmidnightheight of tide4 a.m.0.1 ft11 a.m.2.2 ft5 p.m.-0.5 ftTides at Ocean City on October 3
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. 2.7
B. 2.1
C. 2.6
D. 1.7
E. 3