问题详情

In Australia, who becomes leader of the official opposition？

A．The leader of the majority party which won the second largest number of seats.

B．The leader of the other two joint majority parties which didn"t win a majority of seats.

C．The leader of the largest minority party.

D．The leader of the joint-minority-party.

请帮忙给出正确答案和分析，谢谢！