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.
Yes B is the right answer, to produce a catharsis you are changing the emotion of the readers to show empathy.
That is true. When there were famine and catastrophes in the Aztec empire, they realized that was due to the fact they didn't offer enough human sacrifices to their gods. Therefore, The Flower Wars were fought.
"Gerbils’ teeth grow continuously; therefore, gerbils need to chew daily to keep their teeth short."