Which of these corrects the shift of voice in the following sentence?
While some people gather empty yogurt containers, used Band-Aids have also been collected.
A.
While empty yogurt containers are gathered by some, others also collect used Band-Aids.
B.
While some people gather empty yogurt containers, others collect used Band-Aids.
C.
While some people gather empty yogurt containers, used Band-Aids are also collected by others.
D.
While empty yogurt containers are gathered by some people, others collect used Band-Aids.
