All of his friends laughed at him. Change the voice--

Question: All of his friends laughed at him. Change the voice--

A) He laughed at all of his friends.

B) He was laughed at by all of his friends.

C) All his friends had laughed at him.

D) All his friends were laughed at him.

Answer:
B) He was laughed at by all of his friends.

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The boy pleased us. (Make it into passive voice)