It can be learnt from Chief Justice John G. Roberts Jr. that______.A．the legitimacy of car

It can be learnt from Chief Justice John G. Roberts Jr. that______.

A．the legitimacy of card-check elections should be reconsidered

B．the card-check election is actually beneficial to the union

C．he doesn"t see the influence of the way of election to the union

D．the employer can gain some benefit from the card-check election

请帮忙给出正确答案和分析，谢谢！