A. The documents have been downloaded by the students.
B. The students have downloaded the documents.
The two given statements can be differentiated by drawing students' attention to the

Options

A. use of 'by' in the passive form
B. differences in the arrangement of words
C. roles of the subject and object in both sentences
D. change in the verb forms

Answer

C

Explanation

The given sentences are explaining the rules of voice. While transforming active voice into passive voice, the subject of the active sentence changes into the object of the passive sentence and vice-versa.