Answer:
B
Explanation:
Myth are basically things that are untrue.
Characters with exaggerated abilities are like superhuman powers that normal people do not possess.
In this case, a boy collecting feathers and making giant wings to fly is not a possible concept at all and is pure imaginary. Hence the myth lies here.
The other options are expressing normal human and facts proven pointers that cannot be considered a myth.
Maybe it could be about the benefits and challenges?