A 3-year-old male presents with recurrent pharyngitis and fever (temperature 38.5°C, heart rate 110/min). Physical examination reveals enlarged lymphoid masses on each side of the oropharynx between the palatoglossal and palatopharyngeal arches. Complete blood count shows leukocytosis (WBC 14,000/μL). He undergoes surgical removal of these structures. Notably, his palate is intact and he has no difficulty swallowing. These removed lymphoid tissues developed embryologically from which pharyngeal pouch?

1. A)SecondGABARITO
2. B)First
3. C)Fourth
4. D)Fifth
5. E)Third