Read the following sentence: Everywhere you look people are commuting in gas- guzzling SUVS Meanwhile, their backseats are empty - all six of them. What would most naturally come next in this argument? A. A proposal that drivers should start carpooling more often B. The definition of a "gas guzzler" in terms of miles per gallon C. A call to action to improve roads and the highway system D. The writer's personal observations about drivers bad habits