Read the following context and choose the best option to answer the question.
Context: He comes up with scenarios and speculation and gets into the flavor of things rather well . I was very wired on coffee and had bouncy leg while I was sitting , and I could see him looking at it and I would try to control it to no avail . Bounce bounce bounce . Energy pent up .
Question: Why is the narrator so full of energy ?
Options: 
A. They 've had a good night sleep .
B. None of the above choices .
C. They 've had a lot of caffeine .
D. They 've had a lot of Red Bull .


C