Reading the Grid

A binary classifier's confusion matrix shows 40 true positives, 10 false positives, 5 false negatives, and 45 true negatives. What is the recall (sensitivity) of the model?

A

45 / (45 + 10) is about 0.82

B

40 / (40 + 5) is about 0.89

C

40 / (40 + 10) is about 0.80

D

(40 + 45) / 100 = 0.85