D) it us showing that all power eventually falls victim to time
The adverb that modified the verb (finished) is quickly.
Adverbs answer the question: HOW IS THE ACTION DONE?
So,
How did John finish his work?
He finished it quickly.
An example of direct characterization is A) Now, Fatima was trudging toward the yearbook room, her head lowered and shaggy bangs falling across her dark brown eyes.
This is the only sentence where she is directly described.
A seveal times he stumbled,and finally he tottered,crumbled up,and fell