Which of the following statements about RFID is not true? O A. Microchips embedded in RFIDs are used to store data. OB. RFIDs require line-of-sight contact to be read. OC. RFID tags and antennas come in a variety of shapes and sizes. OD. RFIDs transmit only over a short range. O E. RFIDs use an antenna to transmit data.