C为什么不对

问题如下：

In a repurchase agreement, the repo margin will be lower the:

选项：

A.

higher the quality of the collateral.

B.

lower the demand for the collateral.

C.

higher the supply of the collateral.

解释：

Correct Answer: A

The higher the quality of the collateral, the lower the difference between the market value of the security used as collateral and the value of the loan—that is, the repo margin.