Which of the following sentences is correct?

a. she filled her living room with dozens of tulips.
b. he needed hundred of quilt squares for this project.
c. does anyone know why steve ordered five dozens of eggs?
d. seven thousands of people showed up for the concert.

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.