Assertion : Each antibody is represented as `H_(2)L_(2)`
Reason : Each antibody molecule has four nucleotide chains two small celled light chains and two longer called heavy chains
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 both assertion and reason are false.