Assertion `(A)` : Fragments produced in the fission of `U^(235)` are radioactive.
Reason `(R )` : The fragments have abnormally high proton to neutron ratio
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 the assertion and reason both are false.