Answer:
The abstract noun for this sentence is "freedom."
Explanation:
Abstract nouns are emotions, events, qualities, etc that do not have a physical existence.
Answer: Life is only worth living if lived well.
The passage presented above talks about living life at its finest. One must not be overruled by the doubts and the risks instead must gamble it all and live life like there is no other. Truly, one has got one life only therefore, it must be lived fully.
The correct answer is A. The backdrop of a scene.
I'd say it's: If I were a more optimistic person, I would put my house on the market. I hope this helps. Let me know if it was right.