Final answer:
Option b.
Based on Chapter 4, Salva admires Buksa's hunting abilities and survival skills, thus the correct option is b) Salva was impressed by Buksa.
Step-by-step explanation:
Based on the context provided in Chapter 4, Salva was impressed by Buksa.
This is evident as Salva observes the abilities and skills of Buksa, who is a member of the Dinka tribe known for their excellent hunting skills. Salva's admiration is rooted in the independence and competence displayed by Buksa, as he is skilled in hunting and knows how to survive in challenging environments.
It is clear that Salva regards Buksa with respect and aspires to learn from his strengths, which reflects the appreciation he feels towards him.
Please mention correct option in final answer: b) Salva was impressed by Buksa.