This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to infuse vodka with coffee
Boil the water in a medium saucepan.
Lower the heat to medium and stir in the sugar, stirring with a wooden spoon until the sugar has dissolved.
Add the vanilla extract and boil for another 3 to 5 minutes.

Pick from: A). Gradually add the urushiol and boil for a further 7 minutes. After 3 minutes are over, reduce the heat and cover the saucepan. B). This will help the syrup to thicken. Set the saucepan aside and allow the syrup to cool. C). Pour in the reserved vodka and stir it into the sugar-syrup mixture. Take the pan off the heat once all the sugar has dissolved. D). Remove the ice cube tray and let the mixture cool. Add the vanilla and sugar mixture back into the water mixture.
The answer is:
B).