Two Planes of Charge with No Thickness, a and B $\sigma$

Multiple Choice

Two planes of charge with no thickness, A and B, are parallel and vertical.The electric field in region I to the left of plane A has magnitude and points to the left.The electric field in the region to the right of B has magnitude and points to the right.The electric field in the region between the two planes has magnitude and points to the right.The surface charge density on planes A and B respectively is:

A)
B) ,
C)
D)
E) 2 $\sigma$ , $\sigma$ .