If you want a carbohydrate source without the addition of food additives, you can't eat anything that is industrialized. Every processed product receives the addition of food additives, even foods enriched with some nutrient. For this reason, if you want to consume carbohydrates, replacing pasta, and without consuming food additives, the best option is to eat a natural food such as a pre-cut baking potato.
He came 15 minutes late which is not good because he could get in trouble. He did good by asking questions, turning off his cell phone and by listening but he was late. Being late is not good because he could have missed information that he may have needed.