In the following question, 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. The kids were laughing at the old lady.

• The old lady is laughing at the kids.
• The old lady was being laughed at by the kids.
• The old lady was being laughed by the kids.
• The old lady was laughed at by the kids.