In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice. Dark clouds have overcast the evening sky.

• By the dark clouds the evening sky was overcast.
• The evening sky has been overcast by the dark clouds.
• Dark clouds overcastted the evening sky.
• The sky of the evening was overcasted by dark clouds.