In the following question, a sentence has been given in Direct/Indirect. Out of the four alternatives suggested, select the one which best expresses the same sentence in Direct/Indirect.
"I was digging the garden when the doctor arrived," replied Harry.
Harry said that he was digging the garden when the doctor arrived.
Harry said that he had been digging the garden when the doctor arrived.
Harry said that he had been digging the garden when the doctor arrive.
Harry said that he had been digging the garden when the doctor arrive.
B.
Harry said that he had been digging the garden when the doctor arrived.