According to the passage, the "rising expectations" and "relative deprivation" models differ in which one of the following ways? A. They predict different responses to the same socioeconomic conditions. B. They disagree about the relevance of psychological explanations for protest movements. C. They are meant to explain different kinds of social change. D. They describe the motivation of protesters in slightly different ways. E. They disagree about the relevance of socioeconomic status to system strain.