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"