Answer:
Parallel structure should be used when you connect clauses with a coordinating conjunction such as: for, and, nor, or, but, so, or yet. Some examples of this include: Correct: Every morning, we make our bed, eat breakfast and feed the dog. Incorrect: Every morning, we make our bed, eating breakfast and feed the dog.
The quote is all about nature, and D is the only one about nature, so I'd say that's the best answer.
Answer:
part A Hattie is taken aback by all the noise and activity in New York City
part b "People zipped in front of her with briefcases tucked to their sides as high heels clacked on the pavement."