Answer:
Angry
Explanation:
Jack seems to either be angry or frustrated
because of the word "stormed".
The purpose of this passage is to clarify what a UFO is. The passage tells you that even though UFOs often star in science fiction movies, most UFOs are actually aircraft, kites, clouds, meteors or rocket debris. It also cites a famous case in order to provide evidence for their claim.
D. <span>Stick to your subject.</span>
While respecting excellence it’s not enough to know everything or have all the knowledge in the world. Even so, with what knowledge we have we should use it.