D. By keeping her bones and muscles strong
The answer would be Latent content.
Latent content expresses the real meaning behind the imagery you see in dreams. It illustrates one's unconscious desires, drives and thoughts. In other words, latent content is the psychological meaning of your dreams.
If you were to differentiate it with manifest content, the manifest content is more about what you see on the surface. The actual images that you see and not the meaning behind it.
So again, the answer is latent content.
When a solid is heated, it turns into a liquid. As a liquid, a substance has a fixie ated volume, but its shape changes to fill the shape of its container.
