事件<img src="https://static.zxtiku.com/wangke/imgs/topic/727b56fe14a07d49ecee86a46f0a5514.jpg"/>等价于（）。<br/> A、<img src="https://static.zxtiku.com/wangke/imgs/topic/2a1351c0ba34660356cc7b47b5bace3a.jpg"/><br/> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/8a4828670278b7b2d2ba817e82e9a390.jpg"/><br/> C、<img src="https://static.zxtiku.com/wangke/imgs/topic/56813e154dcedbc6b530d989bded861c.jpg"/><br/> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/a2a861d28c9681385e53993356e9c93a.jpg"/>