What Is a Characteristic of Radio Frequency Identification (RFID) That

What is a characteristic of radio frequency identification (RFID) that makes it preferable to universal product codes (UPC) ?

A) RFID codes can identify a class or type of product, and can identify an individual product as it moves along the supply chain.
B) RFID can only be used with enterprise resource planning (ERP) systems, while UPC cannot be used with ERP systems.
C) RFID tags are smaller than UPC tags and cannot be detached by the user.
D) None of the above are reasons the RFID is preferable to UPC.