Training in which an athlete alternates between two activities, typically requiring different rates of speed, degrees of effort, etc.
I believe the answers should be both B. and C. However, if you have to choose one answer I would probably go with
B. So you are prepared to make the best decisions for your needs and wants in the future
I'd go with this because by choosing what you want to do you will know what you are good at, what kind of work load you can handle, who you work best with, and how much you need to make to support you and your family if you choose to have one.
Answer:
Explanatin d. Normal spontaneous vaginal delivery