The most important rule of survival Brian learned in Chapter 8 was that "feeling sorry for yourself didn't work..It wasn't just that it was wrong to do, or that it was considered incorrect. It was more than that - it didn't work".
You study the correct way for the right answers to all problems. Sometimes we think we are right, and then findout we where wrong. Always ask questions and always double check.
C. is the correct answer i think hope it helps