The Nurse Is Collecting Data for a Patient

The nurse is collecting data for a patient. The nurse would check for Homans' sign by which of these methods?

A) Observing the calf and thigh color bilaterally
B) Listening with a Doppler to posterior bilateral tibial pulses
C) Measuring the patient's calf and thigh circumference bilaterally
D) Dorsiflexing the patient's foot sharply and asking if calf pain occurs