证券组合中普通股之间的投资进行分配时，广泛应用的模型是（）。

A.马柯威茨模型

B.夏普因素模型

C.风险对冲模型

D.套利定价理论

“It is declared that this shipment does not contain any wood packing materials.”与这句话意思接近的是( )。

A．We declare that no wood packing material was used in this shipment.
B．No declaration was made whether wood packing materials had been used or not.
C．If you don't make any declaration, we will not use any wood packing material.
D．We will not use any wood packing material since you have provided us a declaration of no-wood packing material.