Select the correct change of voice of the following sentence. I know how he had done it.
B. I know how it was done by him.
C. It is known by me how he had done it.
D. It is known to me how it was done by him.
E. It is known by me how it was done by him
সঠিক উত্তরঃ
D.
It is known to me how it was done by him.