Tide

-10123timenoonmidnightheight of tide5.30 a.m.-0.4 ftnoon1.8 ft6 p.m.0.3 ftTides at Virginia Beach on January 13
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 13 at Virginia Beach?
A. 1.5
B. 2.6
C. 2.1
D. 1.9
E. 2.2