It is said that in his strongly worded reaction to quantum Physics,. Einstein remaxks, 'God does not play dice' to which Bohr, another great physicist, reacted saying 'Do not tell Godwhat to do'. Bohr, earlier had argued that we can never know what the properties of an isolated quantum system, though we can know theproperties of macrocosmic objects. Which one of the following is the focus of their debate ?

• A. the behaviour of God
• B. probabilistic interpretation of the behaviour of quantum object
• C. limits of human knowledge
• D. irrelevance of microcosmic object