In the following questions, a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.Question: Teachers might have given their students some concessions.

• A. Their students might have given some concessions to their teachers.
• B. Their students might be given some concessions by their teachers.
• C. Their students might be giving some concessions to their teachers.
• D. Students might have been given some concessions by their teachers.