I want to say either diaries or fashion magazines. Diaries are much more story like and could be a little lathered up for lack of a better word. However I would go with fashion magazines, which talk about whatever's popular at the time, giving you a quick general outlook on the time period.
Answer: "C"
Explanation: He decided to go "THROUGH" the museum by himself rather than with his class.
what to do can you tell me in comments and i will edit it.