Read the following context and choose the best option to answer the question.
Context: Thus , instead of graduating in the winter , I am double majoring and spending a few more years in school . Ca n't complain , really , but this means I ca n't afford to move out . SO .
Question: why ca n't the person afford to move out ?
Options: 
A. he decided to do a double major
B. They spend too much on food
C. They have a drug habit
D. They are paying child maintanance


A