对于B选项不理解，讲义第163页不是说会员分层会导致潜在日内结算风险嘛？

问题如下：

Financial market utilities have several lines of defense in managing participant risk. The following statements are about these methods, which of the followings is NOT correct?

选项：

A.

FMUs use criteria like size and creditworthiness to constrain its direct members.

B.

FMUs have direct exposure with first-and second-tier banks

C.

FMUs periodically monitor their participants settlement positions and margin collateral.

D.

FMUs mutualize the default risk, thereby dispersing credit risk and potential losses, across a broad number of entities.

解释：

考点：对Risk Management, Measurement and Monitoring Tools for FMUs的理解

答案：B

解析：

FMUs只与符合条件的First-tier bank有直接交易，Second-tier banks的交易与First-tier banks完成。