I believe you is the indirect object. Love and Affection completes the thought. You can be left out. I'll edit this later if I'm wrong.
Answer: C. Devastation
Explanation:
Cataclysm refers to an event which brings about a great change or harm. It is an event that leads to destruction or a violent change. Its synonyms include cdisaster, collapse, destruction, devastation, catastrophe, etc.
The accurate synonym for cataclysm as it is used in the excerpt is devastation. It implies that the animals that had survived the initial devastation were eventually killed.
When you witness an event you are watching it, when you are part of it, you are physically involved in some way. Hope this helps!
