Sokolow指数是指

A、R_{aVL<\/sub>+SV3<\/sub>
B、RI<\/sub>+SⅢ<\/sub>
C、SV1<\/sub>+RV6<\/sub>
D、(RI<\/sub>-SI<\/sub>)+(SⅢ<\/sub>-RⅢ<\/sub>)
E、SV2<\/sub>+RV5<\/sub>、V6<\/sub>}