资产按照现在购买相同或者相似资产所需支付的现金或者现金等价物的金额计量，其会计计量属性是( )。

A．历史成本
B．公允价值
C．重置成本
D．可变现净值

After two hours of walking, they came to the camp site, _____. [ ]

A. hungry and tiredly

B. hungrily and tiredly

C. hungrily and tired

D. hungry and tired