Read the following context and choose the best option to answer the question.
Context: Today what I saw , well I suppose it was rather like watching a movie . Or maybe , watching clips of a movie . Sort of like how they show previews for films ? Little highlights ? " " Little highlights .
Question: Why is the person confused about what they were watching ?
Options: 
A. It was a full movie .
B. None of the above choices .
C. It was a full trailer .
D. Because it was a mix of clips but not a trailer .


D