C) avoided. Avoid means to keep away from or stop away from doing (something). In this case the seal eluded or kept away from Amak.
Fairy tale would fall under Fantasy with things such as Fairies and Leprechauns, but folktale would have characters such as Paul Bunyan that dont have the extreme fantasy aspect.
It is answer B the "sentence features figurative language in the form of a simile" because they used the word "like" a metaphor would be they were sardines in a can
preposition = under
object of the preposition = covers