Final answer:
In 'Through the Tunnel,' Jerry faces an internal conflict of conquering his fear and proving himself, and an external conflict dealing with his mother's concern and his striving for acceptance from other boys (option a).
Step-by-step explanation:
In the story Through the Tunnel, the two primary conflicts presented are internal and external. The first conflict is an internal struggle, showcasing Jerry's fight against his own fears and desire to prove himself by swimming through the underwater tunnel. This illustrates the imposing challenge he sets for himself and the personal growth he is seeking. The second is an external conflict between Jerry and his mother, as well as the conflict between Jerry and the other boys. Although not directly confrontational, these conflicts represent Jerry's desire for independence and recognition, contrasting with his mother's concern for his safety and the other boys depicting a challenge or a standard he wants to meet.
Hence, the answer is option a.