Two Traveling Pulses on a Rope Move Toward Each Other

Two traveling pulses on a rope move toward each other at a speed of 1.0 m/s.The waves have the same amplitude.The drawing shows the position of the waves at time t = 0 s.Which one of the following drawings depicts the waves on the rope at t = 2.0 s?

A) a
B) b
C) c
D) d
E) e