Passive form of "We called him a fool." is-

A He was called a fool by us.

B He had been called a fool by us.

C He has called a fool by us.

D He has been called a fool by us.

Correct Answer: Option A

সঠিক Passive form হবে- He was called a fool by us.
এখানে, sub + verb + object + by + prepositional phrase এই গঠনটি ব্যবহার করা হয়েছে।