Select the correct indirect form of the given sentence.Karan said to us, “You should leave early for the airport so as to reach on time.”

• A. Karan told us that we would leave early for the airport so as to reach on time.
• B. Karan told us that we had to leave early for the airport so as to reach on time.
• C. Karan told us to have left early for the airport so as to reach on time.
• D. Karan told us that we should leave early for the airport so as to reach on time.