--- It shouldn’t take long to clear up after the party if we all volunteer to help.

--- That’s right. _____________.

A．Many hands make light work

B．Something is better than nothing

C．The more the merrier

D．The sooner begin, the sooner done

根据餐饮销售量的预测来制定生产计划的方法主要有（）。

A.经验估计法

B.预订统计法

C.菜单统计法

D.销售记录统计法