Well, it all starts with the mouth, which contains the nasal cavity which is the first destination. Which then caries into the throat where the trachea is and the only option with that is B. So, I would say B would be your correct answer, just google a picture of the respiratory system. Hope this helps in the near future.
"Most children won't be able to feed themselves without spilling until 18 to 24 months of age," Dr. Chung says. "And many children remain messy eaters into their third year."
