How did David respond when Nathan confronted him about Bathsheba and Uriah?

Answer: "I have sinned against the LORD"

David said, "I have sinned against the LORD." Nathan replied, "The LORD has taken away your sin; you will not die."

“Then David said to Nathan, “I have sinned against the LORD.” “The LORD has taken away your sin,” Nathan replied. “You will not die.”— 2 Samuel 12:13 (BSB)