The line that best reflects the theme of deception in warfare from "The Story of Prince Yamato Take" is:
B) To attempt to fight a battle in this impassable country unknown to my men only makes my task harder. We cannot clear the roads and fight as well. It is wiser for me to resort to stratagem and come upon my enemies unawares. In that way I may be able to kill them without much exertion.
This line emphasizes the use of stratagem and the element of surprise, which aligns with Sun Tzu's teachings on the importance of deception in warfare.