Question: Pharyngeal mucosa is innervated by the glossopharyngeal nerves because it develops from the
A: first pharyngeal arch.
B: second pharyngeal arch.
C: third pharyngeal arch.
D: fourth pharyngeal arch.
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Provide two versions of response separated with exactly 6 asterisk symbols: ******.
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