Read the following context and choose the best option to answer the question.
Context: Today , I discovered that I have the capability to heat up a bottle ( the old fashioned way ) with one hand , while bouncing a screaming baby with the other . Wow . Not so much fun . Good to know I can do it though . Today was my first official Babysitting the Niece event ( for more than 30 minutes ) .
Question: Why is the speaker with a baby ?
Options: 
A. Because they wanted to see if they could handle it .
B. Because they are babysitting their niece .
C. None of the above choices .
D. Because it is their job .


B