The author develops her argument by sharing an anecdote to show that people can drastically improve their health by making small changes to their diets. The correct option is d.
What is healthy eating?
The author makes the case that taking the simpler route when doing tasks, particularly when preparing meals, encourages healthy eating. She argues that while healthy eating is advisable, people should not be under a pressure to lead a healthier lifestyle.
The author advises against a busy cooking routine that may delay eating meals. This is clear from the quote, "Why spend an hour in front of the stove when you can spend two minutes at the microwave when you get home from work late?"
Therefore, the correct option is d. She shares an anecdote to show that people can drastically improve their health by making small changes to their diets.