Select the option that expresses the given sentence in indirect speech.
The doctor whispered to the nurse, "The patient will recover fully from his surgery by next week."
1
The doctor had whispered to the nurse that the patient would recover fully from his surgery by next week.
2
The doctor whispered to the nurse that the patient will recover fully from his surgery by next week.
3
The doctor whispers to the nurse that the patient will have fully recovered from his surgery by next week.
4
The doctor whispered to the nurse that the patient would recover fully from his surgery by the following week.