(A) : The process of delivery of the foetus is called parturition.
(R) : It is induced by a complex neuro-endocrine mechanism.
A. If both (A) and (R) are true and (R ) is the correct explanation of (A)
B. If both (A) and (R) are true but (R ) is not the correct explanation of (A)
C. If (A) is true but (R) is false
D. If both (A) and (R) are false.