An analyst does research about unique risks of hedge funds. The risk for a hedge fund arising from the failure to deliver the specified security or money by one of the parties to the transaction on the closing day is most likely:（）

A. pricing risk.

B. settlement risk.

C. financing squeeze.

车辆段须对管内地方、合资、专用、工程临管铁路企业内铁路货车运用质量按照国铁标准进行列车技术质量监控评价。