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

How to make pancake mix
Stir all the ingredients together.
When preparing any of the home-style, dry buttermilk, liquid buttermilk, or sour cream pancake mixes, all the dry ingredients should be thoroughly mixed in a large mixing bowl.
When making a pancake mix, you should only combine the dry ingredients.

OPTIONS: a). Each mix requires you to add liquid ingredients before cooking pancakes, but these liquid ingredients should not be included in stored mixes. For best results, sift together lumpy ingredients like flour and cornmeal before stirring them into the other ingredients.. b). The dry ingredients will continue to absorb the wet ingredients, which will cause them to create a high-stickiness pancake. Allow the batter to cool as needed before moving onto mixing the combination.. c). While the dry ingredients should all be combined, you should also use a whisk to sift and stir the dry ingredients until you reach a well. This will ensure even distribution of each ingredient.. d). No additional liquid, such as butter or water, is needed. Of course, you can over-mix by blending your dry ingredients..
The answer is:
a).