In the book of Exodus, what is the 'cubit' used for in the construction of the tabernacle and its furnishings?

A It was based on the length of a man's forearm from elbow to fingertip, representing human involvement and craftsmanship in God's service. B It symbolized the perfect harmony between the earthly and heavenly realms, reflecting God's divine order. C It represented the average height of a Levite priest, ensuring the tabernacle was proportional to their stature. D It served as a standardized weight measurement for offerings and sacrifices, promoting fairness and equality.