Answer: C) Statistics show that the number of deaths per year due to road accidents decreased by 14.97 percent over the past 10 years.
Step-by-step explanation: an argument or claim is a statement assertion that something is true. From the given options, the one that represents a piece of evidence that supports the claim that travel by road has become safer in recent years, is the corresponding to option C, because it is providing statistics that show that the number of deaths per year due to road accidents has decreased over the past 10 years.