One example that comes to my mind is physics. By Curie's principle, the symmetry of causes leads to a symmetry in the effects.
There are many other possible answers though (art for instance).
D) Gerasim is unhappy as a servant, whereas Ivan Ilyich is proud of his position in society.
The answers to your questions are 7: D 8: D 9: A
A seems most likely as the renessaince brought about lots of literature.
