How does the island setting affect the way the boys behave in the first few chapters of the novel?

a.
the boys behave in a more civilized manner than they normally would.

b.
it inspires the boys to depend heavily on modern technology and inventions.

c.
the isolation of the island deepens the boys' friendships with each other.

d.
the boys adapt to their environment and let go of some of society's conventions.