The scar symbols analysis and the creepers are actually that grow all over the island
Http://digital.library.upenn.edu/women/keller/life/life.html
The correct answer is D. Subject
The subject is the person/thing that does the action. In his case, it contains something which makes it the doer of the action of containing.
It is B.) Plural possessive
plural: men
Possessive: 's