I need the story to help you
The correct answer is: Option A. Adopt the horses.
Given the context in the excerpt stating the individuals that would be "taking possession of the new horses" are official U.S. Marines, it can be inferred that this practice will take place within legal bounds, and therefore "stealing the horses" is out of context in this case. The intent of this activity is to use the horses as part of the Marines' activities, and as such, it is clear the Marines are planning to "adopt" the horses, not "borrow" them.
Possibly it depends on how good their eye sight is in the one eye i mean if a cyclops can do it then he should be able to
Tone in fiction is the attitude of the narrator or viewpoint character toward story events and other characters. In a story with first-person POV, tone can also be the narrator’s attitude toward the reader.
In non-fiction, tone is the writer’s attitude toward subject matter and reader. So the writer might come across as a know-it-all or a blowhard or as humble or solicitous.