To connect his identity to the kiowa people as a whole
Give up the union assist the north work with others discuss his decisions
"the process of receiving or giving systematic instruction, especially at a school or university:"
1.It's A because 'as' should have been used, meaning 'which'. 'I will refuse his demands which are outrageous '.
2.But' unless' has nothing to do with the context provided in C because 'until' should have fitted here.
