How Does the Epic of Deganawidah Reveal Indian Attitudes About

How does the Epic of Deganawidah reveal Indian attitudes about migration?

A) The epic very clearly states that outsiders are not welcome in the Iroquois Confederation.
B) The epic shows that Indians were unlikely to adopt ideas from others, thereby keeping their traditions and culture intact.
C) Deganawidah is an accepted outsider who brought ideas to the tribe, reflecting the Iroquois effort to transform enemies into kin through adoption.
D) Iroquois believed that all captives of war should be killed so that their souls would not "migrate" to another person outside the tribe.