400
4. Which key detail from the selection supports the main idea?
A. “Once your baby teeth have fallen out, the teeth that come in will be in your mouth for the rest of your life.”
B. “He or she will check your teeth to make sure they are healthy.”
C. “The sugar will stick to your teeth while you are sleeping.”
A. “Once your baby teeth have fallen out, the teeth that come in will be in your mouth for the rest of your life.”