According to the Cell Theory,which statement is true regarding cell structure?

• A
  It is adapted due to the discovery of sub-cellular structures like chloroplasts and mitochondria.
• B
  All living organisms' cells have the capacity for reproduction,which is the basis of the modern Cell Theory.
• C
  Cell Theory is not true because all organisms cannot form cellular structures (e.g.,viruses).
• D
  Cell Theory means that all cells of all organisms have the capacity for reproduction or not.