A particle moves along the 1x axis, and the graph shows its momentum p as a function

Question:

A particle moves along the 1x axis, and the graph shows its momentum p as a function of time t. In each of the four regions a force, which may or may not be nearly zero, is applied to the particle. In which region is the magnitude of the force largest and in which region is it smallest?
(a) B largest, D smallest
(b) C largest, B smallest
(c) A largest, D smallest
(d) C largest, A smallest
(e) A largest, C smallest