Write the next sentence in the following story.

An ad for vidal sassoon appears. We then see their curling iron and hot roller set. a demonstration

pick from the following.
 (A). of the braking techniques of hitler's first razor..
 (B). shows how to plan with the round rollers, an which is demonstrated slowly..
 (C). , they again add iron to hot roller..
 (D). is shown for how to set and use the hot rollers and iron on a woman's hair... The answer should be
(D).