Answer:
C. "In fact, they (vampire bats) might play a role in human health."
Explanation:
This answer has the most positive connotation towards vampire bats, as it would be a good thing for them to improve human health. Although the other answers don't make vampire bats seem terrible, C. is the best answer, which it even states it as a fact. Hope this helps!
It could be said that this poem is about Native Americans, who are referred to "The Noble Savage" (option1). It portrays the spirit the Natives haunting their graves in the North American wilderness. It might be considered and American example of the Romantic movement.
A. You need to say that it is chipmunks. Otherwise the reader might infer "these" is in reference to the squirrels.