C) Fortunato will never leave the vaults again
Trust me, I read this entire thing already...earlier in the year (in Elizabethan AND modern English).
Biology does influence gender development. For example, some differences between typical boys and girls can be explained by the effect of genes on sex chromosomes, and by the levels of sex hormones and their effect on the brain during early development (e.g., prenatal exposure to high levels of male-typical hormones).
John Muir lived up to his doctrine by not being the first man to reach the camp. He was no simple hiker. He would stop many times during his way up to examine trees, flowers, animals, nature, and everything that surrounded him. This means he didn't rush through life, he enjoyed every part of it.
I find it somewhat difficult to take notes in history class. All the facts and dates get super confusing.