Which statement expresses a key difference between a myth and an allegory?

a. a myth has only one explanation or meaning, while an allegory allows the reader to
make a variety of interpretations.

b. a myth focuses on character development through dialogue, while an allegory uses direct characterization.

c. a myth includes the author's personal bias about a subject, while an allegory uses only facts and direct evidence.

d. a myth explains elements of the natural world, while an allegory offers a lesson on how to behave.