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.
Well loitering is a connotative word so im guessing it has a negative feeling towards the poem
The only sentence among these which is used in the passive voice is A) The tree was planted by Mary.
The other options use the active voice.
