Which of the Following Is an Incorrect Guideline for Producing

Which of the following is an incorrect guideline for producing syrups for sugar work?

A) As soon as the sugar is dissolved, lower the heat and stir rapidly.
B) Always use pure white granulated sugar when making these syrups.
C) Don't use liquid colors in a syrup that contains an acid.
D) Use a clean pastry brush dipped in hot water to wash any sugar crystals down the side of the pan as the syrup boils.