2. A toolbox is carried from the base of a ladder at point A as shown in the figure. The toolbox comes to a rest on a scaffold 5.0 m above the ground. What is the magnitude of the displacement of the toolbox in its movement from point A to point B?

A) 15 m
B) 19 m
C) 8.1 m
D) 11 m
E) 13 m