Write the next sentence in the following story.

How to make strawberry cheesecake ice cream 
Combine the sugar, cornstarch, salt and milk. 
Pour the milk in slowly. Use a whisk to remove any lumps.

OPTIONS:
 (A). Combine the dry ingredients in the wet and mix it together. How much mixture you use is up to you.
 (B). Transfer the liquid to a saucepan over medium heat. Add the sugar and milk to the saucepan.
 (C). Measure the entire mixture into a shallow bowl and use a whisk to mix together. Keep mixing until the sweet and sour consistency resembles a milkshake.
 (D). The mixture should be free of lumps. Bring mixture to a boil over medium heat.. The answer should be
(D).