Please read the following excerpt from an essay. The sentences are numbered to help you respond
to the question that follows.
(1) After Sean was arrested for breaking into a pawnshop, I began to wonder. (2) Why did some kids from
my neighborhood end up in trouble while most of us didn't? (3) I started out with a question: What causes
young people to make bad choices? (4) Now, after two years of research, I've arrived at the conclusion
that there is no simple answer. (5) There is no one reason why good kids go bad, but there are typical
reasons.
(6) According to my research, teenagers are most likely to get into trouble if they hang out with a bad
crowd. (7) That's because people learn their values from the people they associate with. (8) So a very big
reason for bad behavior is imitating one's peers. (9) But there are other important factors as well. (10) Kids
who get in trouble are often school dropouts. (11) Also, kids being raised by a single mother are more likely
to get in trouble than kids raised in an intact family. (12) Substance abuse also plays a role, especially when
it comes to alcohol and legal or illegal drugs.
Sentence 7 of the excerpt is an example of
A. random evidence.
B. an opinion.
C. a conclusion.
D. a supporting explanation.
my answer is b.