Answer:
The correct answer is : "During the famous battle of Iwo Jima, six Navajo code talkers operated continuously, transmitting each message without a single mistake. "
Step-by-step explanation:
This is the excerpt that shows us that the Navajo code talkers were quick-thinking and precise. Since they were in the middle of a battle and they acted immediately, and as the excerpt says they transmitted messages without a single mistake. This shows us the precision with which they carried out this work, and confirms that this is the correct answer.