Answer:
Pavlov's Dogs and Discovery of Classical Conditioning. Pavlov's dog experiments played a critical role in the discovery of one of the most important concepts in psychology. While it was originally discovered quite by accident, these famous experiments led to the discovery of classical conditioning.
Explanation:
Conclusion has a latin root and it is concludere or conclusio. in english it means conclude
Questions like this are difficult to answer without more context, although there are some clues about the symbolism in this brief excerpt. You can read the whole short story here: http://images.pcmac.org/SiSFiles/Schools/AL/MobileCounty/TheodoreHigh/Uploads/Forms/Reading_Packet_with_Text_-_The_Rockpile_by_James_Baldwin_-_20150323.pdf
In the story, boys are always getting hurt. Some boys are afraid to play there because it is dangerous. The provided passage also talks about fighting and danger. If this were my assignment, I would choose C) It shows its dangers.