Which of the following sentences contains a metaphor?
a. It took months to decode their language, but only weeks to know that these
beings would become friends and allies, not foes.
b. In the storm of wonder and excitement, new hope began to flood our tired planet,
washing away dingy old worries.
c. We held our breaths as the shuttle floated to the ground like a butterfly.
d. It appeared, however, that their trees were much, much shorter than ours
d
because the aliens were much, much shorter than we are.