What is the most logical next event?

How to make peppermint sauce
Place the cream, crushed peppermint candies and water into the saucepan.
Candy canes can be used as a form of hard peppermint candies.
Heat the ingredients over a medium heat.

Select from:
a). Stir constantly until the hard peppermint candies melt. Remove the mixture from the heat once the candies have melted.;
b). Stir constantly so that you can hear every scrape along the sides and bottom of the saucepan. Add the corn starch and salt.;
c). Allow the mixture to simmer, uncovered, for five minutes at low heat. Remove the pan from the heat and remove the candies.;
d). Stir continuously as the boiling hot mix reaches the consistency of candy cane syrup. Remove the candy canes from the mixture and place them into a mixing bowl.;
a).