Write the next sentence in the following story.

How to make a dynamite roll
Gather up the items from the list of ingredients.
Put saran wrap around a sushi rolling mat.
This will prevent the rice from sticking to the mat.

Choices: A). Take a sheet of aluminium foil and fold it in half. Place the wooden roll of the rice on a baking sheet. B). Dip your hands in clean water so that your hand will not stick onto rice or any other ingredients. Put a piece of seaweed on the mat. C). Find pieces of mat about 2 feet (0.9 m) long. Cut off all trace of the mat's design, so that you are left with strips of patterned mat, to choose from. D). Put rice at a diagonal in the center of the mat. If you don't have a mat, the mat rolls itself.. The answer should be
B).