My mother said, You have been sleeping for twelve hours.

1.	My mother said, You have been sleeping for twelve hours.
A.	My mother said that I have been sleeping for twelve hours.
B.	My mother said that I was sleeping for twelve hours.
C.	My mother said that I had been sleeping for twelve hours.
D.	My mother said that she had been sleeping for twelve hours.
Answer» D. My mother said that she had been sleeping for twelve hours.

Discussion