设A,B为两个随机事件,且,则( )

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154485970801507293a62374746ec944a1243182f7a4eimage8.png">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1544859708108cff0c54f840943798d1885b0bda4fe59image9.png">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1544859708194762cbf804e704f95b90321c5294ececcimage10.png">

D、1