— Would you like _______ the Wutong Mountain tomorrow?

— If my mother _______ . I will go with you.

A．climbing; will allow

B．climbing; allows

C．to climb; allows

D．to climb; will allow

根据( )，委托指令分为买进委托和卖出委托。

A．买卖证券的方向

B．委托订单的数量

C．委托价格限制

D．委托时效限制