Though severely _____, the band insisted on playing their music late at night as usual.

A．being criticized

B．criticizing

C．criticized

D．to be criticized

某粒子结构示意图如图所示，下列有关说法正确的是（   ）

A．该粒子易失去电子

B．该粒子是阳离子

C．该元素属于非金属元素

D．