The correct answer is C. Although Peterson's comments may have been valid at one time, his book is over 30 years old.
This sentence is challenging the credibility of Peterson's book because it is old. At one point, his arguments may have been correct, but this has certainly changed over time given that over 30 years have passed since he published his book. Now, there are newer opinions about the topic, so he isn't a credible source anymore.
It seems that you have missed to attach the excerpt for us to answer this question, so I had to look for it. Anyway, here is the answer. The excerpt relates to the premises of Brown v. Board of Education in that t<span>he Brown case addresses whether education systems separated by race limit citizens' privileges. Hope this helps.</span>
The answer is undeveloped, the definitions show that it is primitive or rough, which would be the opposite of polished, skilled, or mature.
