HRT Use CHD Population |Person-years Ever User 59 6,325 55,703 Past User 37 2,801 25,609 Current User 25 3,289 30,856 Never User 125 4.571 51.349What is the relative risk for CHD and ever versus never users of HRT? O A. 2.18 O B. 2.94 O C. 0.34 O D. 0.46