Which sentence best shows how mandela uses diction to convey a determined tone?

a.let each know that for each the body, the mind and the soul have been freed to fulfill themselves.

b.never, never and never again shall it be that this beautiful land will again experience the oppression of one by another and suffer the indignity of being the skunk of the world.

c.we are both humbled and elevated by the honour and privilege that you, the people of south africa, have bestowed on us, as the first president of a united, democratic, non-racial and non-sexist south africa, to lead our country out of the valley of darkness.

d.we understand it still that there is no easy road to freedom.