A Parallel Plate Capacitor Contains a Positively Charged Plate on the Left,and

A parallel plate capacitor contains a positively charged plate on the left,and a negatively charged plate on the right.An electron in between the plates is moving to the right.Which statement is true?

A) The potential energy of the electron is increasing and it is moving to a region having a lower potential.
B) The potential energy of the electron is increasing and it is moving to a region having a higher potential.
C) The potential energy of the electron is decreasing and it is moving to a region having a lower potential.
D) The potential energy of the electron is decreasing and it is moving to a region having a higher potential.