1) C. Obscure and recondite both mean unclear or difficult to understand. (I don't expect you to know the word recondite though)
2) A. Virtue and righteousness mean goodness. Mayhem, chaos, bedlam and pandemonium all mean disorder.
3) D. Furtively and covertly both mean secretly.
4) B. Ravenous and famished both mean hungry.
5) Disinclination is a synonym for antipathy in the same way that aversion and animosity are synonms
6) Chaos is the opposite of Order in the same way as evil is the opposite of rectitude (goodness)
7) Stealthily
8) Aversion