When we want to identify the type of narration that better characterizes a particular story, we should look at the words that the author uses for clues. Options a, b and c are examples of words that could be used in any type of narrative, and therefore, do not help us establish the kind of narrative the author creates. However, the word "I" does provide some clues. The presence of this word indicates that the story is told in the first person, making it a personal narrative.
The sentence presented above is an example of a complex sentence based on its structure. A complex sentence contains an independent clause and a dependent one. In the given the independent clause is the man was already listening to his new iPod and the dependent clause is ready to go out for his daily jog around Central Park.