Consider the Following Image Depicting Enzyme Behavior

Consider the following image depicting enzyme behavior. Which of the following correctly characterizes the components of this model?

A) A - enzyme, B - substrate, C - active site, D - E-S complex
B) A - substrate, B - active site, C - enzyme, D - E-S complex
C) A - active site, B - substrate, C - E-S complex, D - enzyme
D) A - substrate, B - enzyme, D - E-S complex, D - active site