56.
Your Answer is
Correct Answer is H
Explanation
The prepositional phrase can be used as an attributive to modify the preceding noun, and can also be used as an adverbial to modify an action. Atop the rabbit hutch cannot be used as an attributive, because neither field nor house can be "on the rabbit's nest", so atop the rabbit hatch should be sit Adverbial, after sit, H is correct.