The figure to the right shows the position-time graph of an object traveling in a straight line, starting out moving to the right (the positive x-direction). At which points is the object moving to the left?
[Figure: Position-time graph with points labeled A, B, C, D, E, F]
A) B and F
B) E and F
C) A, B, and C
D) C, D, and E
E) None of the above