A 90 percent confidence interval for the slope of a regression line is determined to be (-0.181, 1.529). Which of the following statements must be true? 
选项为:A:The correlation coefficient of the data is positive.  B:The sum of the residuals for the data based on the regression line is positive.  C:A scatterplot of the data would show a linear pattern.  D:The slope of the sample regression line is 1.348.  E:The slope of the sample regression line is 0.  请回答其中一个选项.