\textbf{From a random sample of 1,005 adults in the United States, it was found that 32 percent own an e-reader. Which of the following is the appropriate 90 percent confidence interval to estimate the proportion of all adults in the United States who own an e-reader?~} 
选项为:A:\textbf{$0.32 \pm 1.960(\frac{(0.32)(0.68)}{\sqrt{1,005}})$}  B:\textbf{$0.32 \pm 1.645(\frac{(0.32)(0.68)}{\sqrt{1,005}})$}  C:\textbf{$0.32 \pm 2.575\sqrt{(\frac{(0.32)(0.68)}{1,005})}$}  D:\textbf{$0.32 \pm 1.960\sqrt{(\frac{(0.32)(0.68)}{1,005})}$}  E:\textbf{$0.32 \pm 1.645\sqrt{(\frac{(0.32)(0.68)}{1,005})}$}  请回答其中一个选项.