Select the correct answer.
Read the sentence.

The cleaning supplies must be retrieved from the van by the janitorial staff.

Which rewrite changes this sentence from passive voice to active voice?

A.
From the van, the cleaning supplies must be retrieved by the janitorial staff.
B.
The supplies for cleaning are retrieved by the janitorial staff from the van.
C.
The supplies for cleaning will be retrieved from the van by the janitorial staff.
D.
The janitorial staff must retrieve the cleaning supplies from the van.