Weeping willow trees, which are native to northern China, are beautiful and ... Their width can equal their height, so they can wind up as very large trees. ... With the proper cultivation, they can grow into strong, hardy, beautiful trees. ... and permanence when a prophet in the Book of Ezekiel plants a seed "like a willow
Answer: The answer to this question is d), " to help the reader understand the central idea." Supporting details are used and extracted from the text to support the central idea or main point, especially if writing an essay. Hence, supporting.
Answer is C, hyperbole is basically an exaggeration.