A Region of Space Contains a Uniform Electric Field, Directed $A$

A region of space contains a uniform electric field, directed toward the right, as shown in the figure. Which statement about this situation is correct?

A) The potential at all three locations is the same.
B) The potential at points $A$ and $B$ are equal, and the potential at point $C$ is lower than the potential at point $A$ .
C) The potentials at points $A$ and $B$ are equal, and the potential at point $C$ is higher than the potential at point A.
D) The potential at point $\mathrm { A }$ is the highest, the potential at point $\mathrm { B }$ is the second highest, and the potential at point $C$ is the lowest.