Why does King Polydectes ask Perseus to bring him the head of Medusa? He thinks having it will protect his kingdom from Zeus. He hopes having it will make Danae fall in love with him. He thinks asking for it will urge Perseus to give him a better gift. He hopes asking for it will cause Perseus to leave his mother behind.

He hopes asking for it will cause Perseus to leave his mother behind.

Explanation:

King Polydectes asks Perseus to bring him the head of Medusa because "he hopes to ask for it will cause Perseus to leave his mother behind."

This is evident in the fact that King Polydectes believed that Perseus would leave his mother (Danae) behind, and later die in his pursuit of getting the head of Medusa. Thereby, he would be able to have the perfect opportunity to marry Danae without interference.

i believe your answer is d)