The author gives many examples that support his main idea. He says in the article "get creative, experiment, and suit your individual taste." Therefore, he says it, and has multiple facts supporting his statement.
Because the author says that once you know the basics of cooking, you should be able to stray away from the cookbooks and instructions. That to me seems like the author is trying to persuade readers to experiment.
Explanation: The choices that confuses most people would be A and B. The reason why is A is because revising means you are adding or changing your ideas and editing is basically checking your grammar.
