 
<prompt> context: Tracy wanted to surprise Alex so she snuck up behind him and then jumped to his feet. 
 Question: How would Alex feel as a result? 
A. happy because he was hoping Tracy would jump out at him B. annoyed because he told Tracy to go away C. confused because he didn't know that Tracy was following him 
Refer to the context provided to answer the question that follows: <response>: C. confused because he didn't know that Tracy was following him 