Read the following context and choose the best option to answer the question.
Context: She stretched out , arching her back and putting her hands behind her head , and set her legs apart to rest on their feet , toes digging into the cool grass . School had been a nightmare , and she had been glad when the week finally ended , but tomorrow it would all begin again . Since her fathers incarceration ( coming some months after her mothers death ) she had been living in the suburbs at her aunts house , where she would have to stay for at least a couple of years , till she was both old enough and could afford to move out , get a job .
Question: What has been causing the female subject some stress ?
Options: 
A. They have been anxious about their incarceration .
B. They have been missing their dad .
C. None of the above choices .
D. They have been anxious about their mother 's incarceration .


B