The Tibetans have lived in the Himalayas for centuries and have adjusted to the conditions _________.

A．at such great height

B．at such a great height

C．on such great height

D．on such a great height

A酒厂2007年3月份委托B酒厂生产酒精30吨，一次性支付加工费9500元。已知A酒厂提供原料的成本为 57000元，B酒厂无同类产品销售价格，酒精适用的消费税税率为5%。则该批酒精的消费税组成计税价格是( )元。

A．50000

B．60000

C．70000

D．63333.331