Ethos. It establishes credibility because of the position of the political activist. 
        
                    
             
        
        
        
You are correct. the right answer is B. 
 
        
                    
             
        
        
        
Answer:
A career ladder is a system where people can advance to higher levels of responsibility and compensation.
Explanation:
Effective commentary is simply giving an opinion or an interpretation, analysis, or evaluation about details of an essay. It is simply making a point of what you read.
The sentence that is an example of effective commentary on the evidence used in the paragraph is option A because they gave their opinion on what a career ladder is; which is a system where people can advance to higher levels of responsibility and compensation.
 
        
             
        
        
        
<span>For the
entirety of the article, Desmond Tutu points out instances of forgiveness of
cruelties that seem to be unparalleled in history to the best of his
knowledge.  In the final paragraph,
however, Tutu claims that “God has chosen this unlikely lot and set us up as
some kind of paradigm, as some kind of model that just might provide the world
with a viable way of dealing with post-conflict, post-repression periods.”  Thus, in looking at the possible responses to
your question, “C” seems to be the best response:  “It has been chosen by God to show that
forgiveness is possible in an unlikely place.”</span>