A Patient Is Being Evaluated for Surgery

A patient is being evaluated for surgery.The therapist hears rales in the lung bases and notes prominent swelling of the ankles.She presses a finger into the edema and notices that a depression remains when she lifts her finger away.The depression is clearly visible for slightly more than 1 minute.This would be classified as pitting edema:

A) 1+.
B) 2+.
C) 3+.
D) 4+.