The Figure Shows a Surface, S, with Two Charges Q $\isin$

Multiple Choice

The figure shows a surface, S, with two charges q and -2q. The net flux through the surface is

A) q/ $\isin$ ₀
B) -2q/ $\isin$ ₀
C) -q/ $\isin$ ₀
D) zero
E) None of these is correct.