Answer:
Before the bell rang
Explanation:
Because it describes <em>when</em> the students are required to neaten up the area around their desks. Adverb clauses tell <em>when </em>something occurs.
The answer that would best complete the given statement above would be option D. Because of the political events of his time, Dryden frequently used the words <span>hierarchy, bureaucracy, and power in his writing. Hope this answers your question. Have a great day ahead!</span>
I believe it means weakens