There are many differences between the two popular programs —— Happy Camp & Where Are We Going？Dad！The former is filled with happiness,while the _______ is full of love．

A．official

B．fluent

C．native

D．latter

商品的价格是（）的货币表现，是决定商品销售的重要因素之一。

A.生产成本

B.流通费用

C.商品价值

D.利润