Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature Graafian follicle .
Reason : Endometrium of uterus regenerates during follicular phase due to increasing level of progesterone .
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False .
D. If both Assertion & Reason are False.