A Ball Hits a Wall and Rebounds with the Same $\Delta$

Multiple Choice

A ball hits a wall and rebounds with the same speed, as diagrammed below. The changes in the components of the momentum of the ball are:

A) $\Delta$ p_x > 0, $\Delta$ p_y > 0
B) $\Delta$ p_x < 0, $\Delta$ p_y > 0
C) $\Delta$ p_x = 0, $\Delta$ p_y > 0
D) $\Delta$ p_x = 0, $\Delta$ p_y < 0
E) $\Delta$ p_x > 0, $\Delta$ p_y < 0