I say it D because u can have more than one role. your family can influence what roles u have. and the role u have inside u family isn't always the role u have outside the family. I hope this helps
Answer: Progesterone
Explanation: By stopping ovulation , that is, the release of the egg from the ovaries, pregnancy is prevented.
This is because there won't be any egg available for the sperm to fertilise.
It should be noted that this process mimics the body's natural response to pregnancy.
I would have to say the first option is the most efficient answer for the question you have asked