How do the words I watched it with fascinated eyes best enhance the tone of this passage?

They stress the idea that the narrator is in awe of what is happening before him.
They suggest that the narrator is shocked by what he sees.
They imply that the narrator is unsure of what is happening to him.
They emphasize the confusion the narrator feels.

The reversalists continue their labors, confident that they will one day construct an engine that generates more compression than it uses, a perpetual power source that will restore to the universe its lost vigor. which theme is best supported by the excerpt? a. scientific study requires dedication and perseverance. b. people will always look for a way to achieve immortality. c. death must always be endured alone. d. change is difficult to accept but beneficial if embraced.