C. to imply that members of his audience should meet the challenges he proposes in his address.
Explanation: The most likely purpose of using the third person point of view after introducing himself in his introductory paragraph is to imply that members of his audience should meet the challenges he proposes in his address. Nelson Mandela's Nobel Peace Prize acceptance speech was delivered in 1993. He and de Klerk were the recipients of this prize. It is time to go on fighting in a non-violent way against segregation and racism, the audience has to go on with what others, like Martin Luther King Jr., started.
hi u can delete this
i think one answer could be this poet uses no rhyme.