$\begin {array} {1 1} (A)\;Always\: goes\: from\: positive\: to\: the\: negative\: terminal \\ (B)\;May \: go \: either\: side \: depending\: on\: the\: absolute\: value\: of\: the \: electric\: field \\ (C)\;Always\: goes\: from\: negative\: to\: the\: positive\: terminal \\ (D)\;Does\: not \: move \end {array}$