Which is the best example of a telling detail?

a. an in-depth interview with the city's chief of police about the area's recent increase in fatal car accidents
b. a list of tips that drivers can refer to in order to become better drivers and reduce accidents
c. a paragraph with information about the number of car-related fatalities on the city's roads over the past year
d. a five-second audio clip of the sound of screeching tires for a radio program about car accidents