Beyond its use as currency, what symbolic significance did salt possess in the ancient Near East, particularly concerning covenants, as reflected in Leviticus 2:13?

A It represented purification and cleansing from sin, a necessary element for atonement. B It symbolized preservation, permanence, and incorruptibility, signifying an enduring agreement. C It was a sign of hospitality and friendship, offered to guests as a gesture of goodwill. D It denoted wealth and prosperity, indicating the abundance promised through obedience.