Write the next sentence in this paragraph:

How to make bubble tea
Pre-soak the pearls for a few hours if you want them tender all the way through, rather than soft on the outside and chewy on the inside (which is how most people prefer them).
Measure 7 parts water to 1 part tapioca pearls.
Bring the water to a rolling boil.

Options: A). 1 liter (0.3 us gal) of water helps with wet pearls while warm water helps with dry ones. Cook the pearls for 10 minutes on medium heat.. B). Add the pearls and stir them to make sure they don't stick to the bottom. When the pearls float to the top, cover the pot and keep the water at a rolling boil for 30 minutes.. C). Add 5 drops of food coloring, if desired. Carefully pour the mixture into an 8 ounce (240 ml) glass beaker.. D). Place the pearls in the boiling water. Cover and keep it at a simmer for about half an hour, turning occasionally..
B).