Read the following context and choose the best option to answer the question.
Context: So I attended a 5th birthday party today for my cousin Jackson . He 's the son of my mother 's cousin so according to Mom that makes him my ... 2nd cousin . Cause Jackson 's father is my first cousin once removed . Or something like that .
Question: What may be the reason for going to someone 's party when you 're not sure how exactly you 're related ?
Options: 
A. Because they wanted everyone to meet their girlfriend .
B. Because they wanted cake .
C. None of the above choices .
D. Because you 're still family .


D