Under is a "preposition".
This is correct because "under" is used to show the location of the action happening, which means that it is a preposition.
The answer is A. Find synonyms for a word
Answer:"The frequency of laughter might be used to gauge Miss Carolines' progress next door; however, the usual crew had flunked first grade yet again, and were helpful in maintaining order."
Explanation:
It means she does something that will cause havoc and chaos in the community
