What is the correct passive voice form of: “Do the hounds kill the fox"?
AIs the fox killed by the hounds?
BAre the hounds to kill the fox?
CIs it the hounds that kill fox?
DIs the fox being killed by the hounds?

AIs the fox killed by the hounds?
BAre the hounds to kill the fox?
CIs it the hounds that kill fox?
DIs the fox being killed by the hounds?