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: why was he gone so much ?
Options: 
- he did n't want to go with me
 - None of the above choices .
 - he had other plans
 - he did n't like to go places


he had other plans