The sentence that best supports the idea that Kane was possessive of his drums is;
This sentence demonstrates possessiveness. Possessiveness is the act of holding to something dearly and not allowing others to use that thing. In simple terms, it is ownership.
Kane displayed possessiveness from this excerpt because he warned his brother not to touch his drum. It is likely that he treasured his drum and would not allow others to get close to it.
He was conscious of his drum even before falling into a deep sleep.
Learn more here:
https://brainly.com/question/19252789