Tide

-10123timenoonmidnightheight of tide3.30 a.m.-0.7 ftnoon2 ft5 p.m.-0.4 ftTides at Henlopen Park on February 1
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 February 1 at Henlopen Park?
A. 2.7
B. 2.4
C. 2
D. 3.1
E. 1.9