问个A

问题如下：

A commodities trader observes quotes for futures contracts as follow:

This commodity is trading:

选项：

A.

As a normal futures market since the futures prices are consistent with the commodity’s seasonality.

B.

As an inverted futures market since more distant delivery contracts are trading at lower prices than nearer-term ones.

C.

As a normal futures market because it is typical for more distant delivery contracts to trade lower than nearer-term delivery contracts.

D.

Consistently with convergence as futures prices will rise when the delivery period nears.

解释：