水浒传》中有这么一段描写：店家切一盘熟牛肉，烫一壶热酒，请林冲吃。又自买了些牛肉，又吃了数杯。就又买了一葫芦酒，包了那两块牛肉，留下碎银子，……据此回答3～4题。

3．文章中所提到的银子，在执行货币的下列哪种职能                                     (　　)

A．价值尺度                                         B．流通手段

C．贮藏手段                                         D．支付手段

4．银子作为货币，具有价值尺度的职能，其根源是                                        (　　)

A．银子是一般等价物

B．银子是贵重金属

C．银子是商品，具有使用价值

D．银子是商品，本身有价值

--- The task is challenging and demanding. Who do you think can make it?

--- _______ my partner have a try? I think she is the right person to do it.

A．Will

B．Might

C．Should

D．Shall