In the context of the passage, the statement "I am the master of my body. I am the first and the last of my nation subject only to the great spirit." (Para. 6) implies that the person being quoted ______.
A． thought of himself as the leader of his people B． had been designated to participate in the founding of a new nation C． believed that a class structure undermined individual freedom D． felt the weight of spiritual responsibility for humankind