Question

what is the purpose of leaving space between cookies on a baking sheet? to add more flavor to keep them from sticking to the pan to allow cookies to spread evenly to make them bake faster

Explanation:

When cookies bake, the dough spreads out. Leaving space allows each cookie to spread evenly without merging with others. It has nothing to do with adding flavor, preventing sticking to the pan (that's what greasing or using parchment paper is for), or making them bake faster.

Answer:

C. To allow cookies to spread evenly