My father said to me, “ Do you know that Mr. Selim was a valiant freedom fighter?”- Choose the right indirect speech of the sentence:

My father asked me know that Mr Selim was a valiant freedom fighter.

My father asked me whether | had known that Mr. Selim had a valiant freedom fighter,

My father had asked me if I knew that Mr Selim was a valiant freedom fighter

My father asked me if I knew that Mr. Selem had been a valiant freedom fighter.