At Maplewood University, students were asked to identify their political stance as either conservative, liberal, or centrist. Among the students, 30 percent identified as conservative, 20 percent as liberal, and 50 percent as centrist. When surveyed about a specific set of policies, 80 percent of the students expressed support for what is typically considered a liberal viewpoint. Given this information, which of the following statements must also be true? (A) All students who identified as liberal supported the liberal viewpoint on that set of policies. (B) More students who identified as centrist than those who identified as liberal opposed the liberal viewpoint on that set of policies. (C) The majority of students who identified as centrist opposed the liberal viewpoint on that set of policies. (D) Some students who identified as conservative supported the liberal viewpoint on that set of policies. (E) Some students who identified as liberal supported a conservative viewpoint on that set of policies.