Assertion : Zn, Cd and Hg are not regarded as transition elements.
Reason : The electronic configurations of Zn, Cd and Hg are represented by the general formula`(n-1)d^10ns^2`.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true and reason not is the correct explanation of assertion.
C. If assertion is trun but reason is false.
D. If both assertion and reason are false.