Answer:
C). He is excited to meet them but then grows angry when they forbid him from joining him.
Explanation:
'Through the Tunnel' by Doris Lessing discusses the personal journey of a young boy, Jerry, from the tunnel to maturity. As per the question, Jerry was quite excited to 'meet the boys diving from the rocks but he gets angry when he was forbidden to join them' as he is displayed quite considerate and sensitive at the beginning. However, with the journey, he becomes more liberated and mature. Thus, option C is the correct answer.
