The word that could be best used is A. Arrogant. He is spiteful because of his arrogance as it is amusing to him, and he believes that he is better than others.
Answer:
from a scientific interview with an astronomer
Explanation:
This would be the most plausible answer because an interview with an astronomer would be a reliable place to find whether wormholes that are read about are real or not. It is also a primary source, making it even more reliable.
B. impertinent
"im" is the Latin preposition meaning not
A note in a bottle (assuming you mean from the ocean or such) can be taken into belief by the finder depending on their own beliefs. the finder could need the message they found and it could help them mentally or improve their mood. otherwise the note may have been meant to find someone specific and this would not be true.