Assertion: The equilibrium in physical system is also dynamic in nature.
Reason: The equilibrium ice `hArr` water is static is static in nature.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.