可否解释一下每个选项

问题如下：

Which of the following statements on fintech’s use of data as part of risk analysis is correct?

选项：

A.Stress testing requires precise inputs and excludes qualitative data. B.Machine learning ensures that traditional and alternative data are fully segregated. C.For real-time risk monitoring, data may be aggregated for reporting and used as model inputs.

解释：

There is increasing interest in monitoring risk in real-time. To do so, relevant data must be taken by a firm, mapped to known risks, and identified while moving within the firm. Data may be aggregated for reporting purposes or used as inputs to risk models.