三相半波可控整流电路中,晶闸管可能承受的反向峰值电压为( )

A、U₂

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/155133580750240d968ca10af4bbdb01f156bcff38290image5.png" style="width:25px;height:23px;">U₂

C、2<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/155133580759080386065b72b451383e67f58dcd8d893image5.png" style="width:25px;height:23px;">U₂&nbsp;

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/155133580769065c70f246d6e4727b71a42cd4b76832fimage6.png" style="width:25px;height:24px;">U2