The Diagram Shows the Electric Field Lines Due to Two

Multiple Choice

The diagram shows the electric field lines due to two charged parallel metal plates. We conclude that:

A) the upper plate is positive and the lower plate is negative
B) a proton charge at X would experience the same force if it were placed at Y
C) a proton charge at X experiences a greater force than if it were placed at Z
D) a proton charge at X experiences less force than if it were placed at Z
E) a electron charge at X could have its weight balanced by the electrical force