'I know that he did the work'- বাক্যটির সঠিক পরিবর্তিত voice হবে -
A
It was known to me that the work was done by him.
B
It is known to me that the work was done by him
C
It was known to me that the work has been done by him.
D
It was known to me that the work had been done by him
Correct Answer: It is known to me that the work was done by him