At six different times on Canada Day in 2016, the number of people at the Pascal Zoo were counted. The graph to the right shows these results. During which of the following periods did the number of people at the zoo have the largest increase?
Answer Choices
A. 9:00\:a.m. to 10:00\:a.m.
B. 10:00\:a.m. to 11:00\:a.m.
C. 11:00\:a.m. to 12:00\:p.m.
D. 12:00\:p.m. to 1:00\:p.m.
E. 1:00\:p.m. to 2:00\:p.m.