the answer is A they were originally horizontal
1. The most important thing in the "Allegory of the Cave" is that the people chained up had to interpret the shadows behind them. The main theme is that human perception cannot derive true knowledge, and instead, real knowledge can only come via philosophical reasoning.
2. You can relate this to life because if someone says something and encourages everyone else to believe them, they'll live their life believing something that's not true.
Answer:
With the text it sounds like the father has died... so "c." seems appropriate.