Select the correct answer. Activists in a state are campaigning for their state government to increase the percentage of revenue it spends on education. The activists’ main argument is that increased spending will improve proficiency levels among students. A newspaper columnist is drafting an opinion piece to argue against the activists’ suggestion. Which findings, if true, would support the columnist’s argument? A. a strong positive correlation between education expenditure and students’ proficiency levels across many states B. the absence of a correlation between education expenditure and students’ proficiency levels across many states C. the absence of a correlation between proficiency levels in different states when plotted as a time series D. a positive correlation between education expenditure levels in different states when plotted as a time series