In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech. I said, "My grandfather snored throughout the night."

• I said my grandfather had snored throughout the night.
• I said that my grandfather snored throughout the night.
• I said that my grandfather had snored throughout the night.
• I said that my grandfather had been snoring throughout the night.