Read the following context and choose the best option to answer the question.
Context: Peter and I had big plans yesterday to see The Dark Knight . We 'd tried on my birthday , but the timing had n't worked out . The next weekend , he was away again , this time teaching a group workshop .
Question: What is the Dark Knight ?
Options: 
A. None of the above choices .
B. It is a dinner hosted by the black knight
C. It is a Batman movie .
D. It is a TV series .


C