Answer: C. “Give me a break for once.”
A. arrest because apprehend means to arrest someone who's done crime.
This website has information on forms of Human observation to be pretty broad. It doesn't have anything specific with Bolivian villagers or there looms.
http://www.psychologydiscussion.net/behaviour/7-methods-of-studying-human-behaviour/540
I believe the sentence is too vague.
Yes, true. We have to do that at school sometimes.