During an Assessment the Nurse Has Elevated a Patient's Legs

During an assessment the nurse has elevated a patient's legs 12 inches off the table and has had him wag his feet to drain off venous blood.After helping him to sit up and dangle his legs over the side of the table,the nurse should expect a normal finding at this point would be:

A) marked elevational pallor.
B) venous filling within 15 seconds.
C) no change in coloration of the skin.
D) color returning to the feet within 20 seconds of assuming a sitting position.