The correct answer is D.
An interpretation is an explanation or a way of explaining something. In answer D, both directions are interpreting on the own way, the source of Hercules's strength.
For one of them, it comes from a magical spell, while for the other, his strength is the product of hard work and long hours of training. These are both valid and artistic interpretations of an ancient, greek story.
Answer:
You can’t prove that something is impossible—all you know is that [it] hasn’t been done yet.
It is answer A and if it's not which im sure it is, it is answer D