Assertion `:` In joint diastole, all the four chamber of heart are in relaxed state.
Reason `:` The tricuspid and bicuspid valves are open and semilunar valves are closed at this stage.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
C. If Assertion is True but the Reason is False.
D. If both Assertion & Reason are false.