The literature written in 17th and 18th century US were mostly about learning how to become a better person. This was because it was the age of enlightenment and things such as Ben Franklin's Poor Richard's Almanacs were extremely popular. Political pamphlets were widely read too. During the 17th century, what was read mostly was stories about the voyage to America and discoveries such as diaries of Alvar Nunez Cabeza de Vaca or by Christopher Columbus.
Since the pronoun is supposed to represent "one of the boys" the answer is A. his. You want a singular pronoun so it wouldn't be C or D. B might fit but it does't make sense since we're assuming the boy was bringing his own camera.
who is rip and why is he taking a twenty year nap