In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
I wrote a harsh letter to the editor.

Options

A. Writing of a harsh letter has been done by me to the editor.
B. I myself have written a letter which is harsh to the editor.
C. The editor will get a harsh letter which I wrote.
D. A harsh letter was written by me to the editor.

Answer

A, B, D