Read the following context and choose the best option to answer the question.
Context: Every time we talk I learn something else new about the dairy process or the cows . On average they birth a cow every other day . This past weekend they had a large amount of births so things will be slow for the next couple of weeks .
Question: Why will the number of births over the weekend affect whether things will be slow ?
Options: 
A. None of the above choices .
B. Baby cows are slower than adults .
C. There are no more cows that are due to birth within the next few weeks .
D. Some of the cows have long labors and slow deliveries .


C