Beyond the act of hospitality, what theological concept is most significantly highlighted in the story of Rahab sheltering the Israelite spies in Jericho (Joshua 2)?

A The importance of following legalistic religious rules, regardless of personal circumstances. B God's ability to use unlikely individuals and those from outside the Israelite covenant to accomplish His purposes. C The superiority of the Israelite military strategy over that of the Canaanites. D The justification of deception when pursuing a divinely ordained conquest.