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

How to make cottage cheese
Heat the milk.
Pour the milk into a small saucepan and place it over medium heat. Heat the milk slowly, making sure it doesn't boil, until it reaches 85 f (29 c).

Choose from:
A). Place the saucepan on the stove and turn the heat on medium high. Turn the heat up to high and keep the heat steady..
B). Once it reaches that temperature, whisk in the dry ingredients. Stir in the chopped coriander, the onion, red chili powder, peppercorns, diced green bell peppers, and tomatoes..
C). Turn off the heat when the milk reaches 120-140 f (50-32 c). If you don't have a saucepan, you can try a saucepan on a stove burner..
D). Use a candy thermometer to monitor the temperature. Turn off the heat when the milk is sufficiently warm..
The answer is:
D).