Read the following context and choose the best option to answer the question.
Context: " " Of course , " Twelve hissed , full of contempt . He kept his eyes on the woman , who was leaning against the wall , looking slightly green . " We wo n't be on this train forever .
Question: What is the reason the woman looked slightly green .
Options: 
A. The christmas lights were green .
B. None of the above choices .
C. She had a green santa hat on .
D. She had green makeup


B