9/10= 0.9
1/2=0.5
1=1
0.5<0.9<1
1-0.5=0.5
1-0.9=0.1
so, (9/10) is closer to (1)
Answer: D. a counterclaim to the idea that most people are moral.
Explanation: a counterclaim is a claim made to rebut an idea, in this case that idea is that most people are moral, according to the excerpt this idea was in a lesson by Socrates. The counterclaim was made by a student named Glaucon who, by telling a story from Plato's Republic, expressed his argument about how the humans couldn't resist the temptation of evil if they knew no one would see them.
