"Whose" is a possessive pronoun. It lets us know that the sculptures belong to someone.
The statement which best describes the mistake the writer makes in the paragraph is the following one:
The writer loses focus and shifts to another topic.
He starts off by pointing out the overall benefits of exercising, and supports his idea by also giving examples of activities people should engage in. However, focus is lost when the writer begins to address the importance of a balanced diet to the body. That would require a new paragraph.
Answer: metaphor
This is a comparison between two things that doesn’t use “like” or “as”, so it is a metaphor.
