The step of the writing process that involves organizing your thoughts is? a. webbing b. prewtiting c. planning d. brainstorming

So,

When you're just starting to get ideas, we call it Brainstorming.  Brainstorming is basically jotting down every idea that comes into your head.  After you Brainstorm, you can start crossing out ideas that you don't want.

The correct option is D.

Good and for the free points