The correct answer will be- fourteenth day of ovarian cycle.
Explanation:
The secondary oocyte is the cellular stage of the reproductive cells which can be easily distinguished as the cells are present at the metaphase-II of the cell division.
The secondary oocytes are gets matured in the pre-ovulatory phase after which they are released from the follicle on the fourteenth day of the cycle. This fourteenth-day phase is known as the ovulatory phase.
Thus, the fourteenth day of the ovarian cycle is the correct answer.
