Using only the paths and the directions shown, how many different routes are there from \mathrm{M} to \mathrm{N} ?

Answer Choices
A. 2
B. 3
C. 4
D. 5
E. 6
Using only the paths and the directions shown, how many different routes are there from \mathrm{M} to \mathrm{N} ?

Answer Choices
A. 2
B. 3
C. 4
D. 5
E. 6