欲计算该病的病死率，正确的公式是

A、n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB3.gif]\/n×100％
B、n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB3.gif]\/N×100%
C、n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB3.gif]\/n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB1.gif]
D、X100%
E、n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB3.gif]\/(n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB1.gif]+n[img=~\/QImg\/yt\/GJZC_ZG_FCKHL\/XB2.gif])×100%