Read the following context and choose the best option to answer the question.
Context: My sister is back in the states ! She was in Africa for 10 weeks doing humanitarian work , and now she is finally home ! It feels so good to have her back and safe .
Question: Why did my sister go to Africa ?
Options: 
A. She wanted to help people
B. She did not want to be in the states
C. She wanted to help me
D. None of the above choices .


A