What Is the Main Difference Between Articles 2 and 2A

What is the main difference between Articles 2 and 2A and Revised Articles 2 and 2A?

A) There are no significant differences between Article 2 and 2A and Revised Articles 2 and 2A.
B) The existing Articles did not have provisions related to leases, the Revised Articles contain new provisions so that the UCC now covers leases.
C) The existing Articles only apply to merchants; the Revised Articles now include non-merchants under the UCC.
D) The Revised Articles include provisions to protect non-merchants against merchants, these provision are not in Articles 2 and 2A.
E) The Revised Articles include provision related to electronic contracting for the sale and lease of goods; these provisions are not in Articles 2 and 2A.