Consider the following statements and select correct answer from the code given below :
Assertion (A) : China's growth of population has dramatically slowed down.
Reason (R) : Its fertility rate has declined due to one child per family norm.
In the context of above, which one of following is correct ?

Options

A. Both A and Rare true and R is the correct explanation of A
B. Both A and Rare true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true

Answer

A