According to the Australian constitution, the House should have about______as many members

According to the Australian constitution, the House should have about______as many members as the Senate. The number of members from each state is proportional to its population, but must be at least______.

A．twice, 2

B．the same, 5

C．the same, 2

D．twice, 5

请帮忙给出正确答案和分析，谢谢！