In each of the following questions,a sentence has been given in Active voice.Out of the four alternatives suggested, select the one which best expresses the same sentence in passive voice: A lion may be helped even by a little mouse.

Answer: 
Even a little mouse may help a lion
In each of the following questions,a sentence has been given in Active voice.Out of the four alternatives suggested, select the one which best expresses the same sentence in passive voice: A lion may be helped even by a little mouse.