Chapter 17, Problem 82PP

Which of the following is true about $\stackrel{\to }{E}$ inside a negatively charged sphere as described here?

1. A.    It points from the center of the sphere to the surface and is largest at the center.
2. B.     It points from the surface to the center of the sphere and is largest at the surface.
3. C.     It is zero.
4. D.    It is constant but is not zero.