Tide

-10123timenoonmidnightheight of tide3 a.m-0.2 ft1 p.m.1.9 ft7 p.m.0 ftTides at Ocean City on April 10
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 April 10 at Ocean City?
A. 2.1
B. 1.9
C. 2.2
D. 2.6
E. 1.6