Five Styrofoam balls are suspended from insulating threads. Several experiments are performed on the balls, and the following observations are made: I. Ball A attracts Ball B while repels Ball C. II. Ball D attracts Ball B but has no effect on Ball E. III. A negatively charged rod attracts both Ball A and Ball E. What will be the charges of the balls? A.A is +; B is -; C is +; D is 0; E is + B.A is +; B is -; C is +; D is +; E is 0 C.A is +; B is -; C is +; D is 0; E is 0 D.A is +; B is 0; C is -; D is +; E is 0

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