Assertion `:` In amphibians incomplete double circulation presents.
Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the single ventricle which pumps out mixed blood.
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.