The two leaders have _____ the foundations of a new era in cooperation between their countires.

A．laid

B．lied

C．lain

D．set

一日本客户要求日本银行将日元兑换成美元，当时市场汇率为USD/JPY=118.70/80，银行应选择的汇率为( )。

A．118.70
B．118.75
C．118.80
D．118.85