C, sentence five, as a website cannot really celebrate, since it’s not a human.
Answer: The mountain paths were dangerous and couldn't guarantee a safe travel- for example, mountain lions are a true fact. Also, the climate and weather conditions in mountains were too risky, so they had to go around them
Relaxes does not follow the pattern rule
What the excerpt is trying to convey is that, with the current generation we are so preoccupied with own self-interests. We value vanity, self and glory without considering the individuals we face as we walk, as we talk and as we engage. The passage reinstates that individuals have to get back and introspect about not their own gratifications and egotistical desires but the welfare with others, even though it is innate and inevitable that we always point to the ego.