The Diagram Shows Two Identical Particles, Each with Positive Charge $\uparrow$

Multiple Choice

The diagram shows two identical particles, each with positive charge Q. The electric field at point P on the perpendicular bisector of the line joining them is:

A) $\uparrow$
B) $\downarrow$
C) $\rightarrow$
D) $\leftarrow$
E) zero