Read the following paragraph:

Paul was raised in a tough neighborhood by people who did their best to survive. He watched peer after peer, like Marco, succumb to the temptations of the streets. He watched other peers, like his brother Laurence, keep their heads down, try to dodge trouble as best they could, and grab the meager chances that came their way and hang on
with all their might. How could he explain why some went down one path and some another? How could he guess which path would be his?

What does the comparison between Marco and Laurence most clearly
illustrate?

A. An example of the character traits that lead to success or failure
B. How people in the same situation are very similar, despite their
different goals
C. The different options available to Paul in his own life
D. Paul's belief that personal success has purely individual causes