某同学观察他家里的电动自行车后发现：不管捏紧左边还是右边的车闸，车尾的一盏刹车指示灯均会亮起，而拨动扶手旁向左或向右的转向开关时，车尾只有对应一侧的转向指示灯会亮起，下列指示灯的示意图合理的是（　　）A、https://bgk-photo.cdn.bcebos.com/doc/pic/item/f11f3a292df5e0feb993cc19546034a85edf721a.jpgB、https://bgk-photo.cdn.bcebos.com/doc/pic/item/5243fbf2b21193135c7bbba86d380cd791238dea.jpgC、https://bgk-photo.cdn.bcebos.com/doc/pic/item/3b292df5e0fe99259d872c483ca85edf8db1711a.jpgD、https://bgk-photo.cdn.bcebos.com/doc/pic/item/faf2b2119313b07e2785141004d7912397dd8cea.jpg