Which of the following is true about the AUC measure in the context of classification models?

Which of the following is true about the AUC measure in the context of classification models?
A . It represents the degree of separability between classes.
B . It is less useful when the classes are highly imbalanced.
C . It indicates the number of false positives.
D . It measures the model’s accuracy using a single threshold.

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Answer: A