A 20-year-old male college athlete presents for a sports physical examination. Vital signs: BP 118/76 mmHg, HR 82 bpm, RR 16/min, Temp 37.2°C, SpO2 98% on room air. He reports noticing several painless, uniform, yellowish bumps at the base of his tongue over the past month. Oral examination reveals no erythema or exudate. He denies dysphagia, fever, or recent upper respiratory infection. He takes no medications. These bumps are most likely which of the following?

1. A)Fungiform papillae
2. B)Filiform papillae
3. C)Circumvallate papillaeGABARITO
4. D)Aphthous ulcers
5. E)Candida colonies