13) (7h thatretetat apee shoet, the key difference between tie and atur ta that: A) PIDC represents 1C/1E; arDC represents IC/TE. B) ADC represents 1 C / I ; DC represents IC / M . C) BDC represents I C / I B ; DC represents I B / T C . D) BDC represents I E / I C ; DC represents I B / IC C . .