Read the following context and choose the best option to answer the question.
Context: So my niece went home for the school year this last week . I still have my son with me , but it is alot more peaceful around here now that there is only one child running around ! We celebrated his birthday this week , and went into the city to do some touristy stuff . It was alot of fun , I got some great photos , my wife got some photos of me , and we ate great food .
Question: Why does the narrator seem more serene ?
Options: 
A. They just have graduated from school .
B. They just have to go to school once a week .
C. None of the above choices .
D. They just have one school class this year .


C