Multi-choice problem: Continue writing the next sentence in this paragraph:

A woman is brushing her teeth in a bathroom. she

Options are:
(a). laughs and continues to brush her teeth.;
(b). spits into the sink then spits into a mirror.;
(c). swivels around to spit something out on the other side of the sink.;
(d). puts toothpaste on a brush and rubs it in her mouth as she moves.;
(a).