When the Patient Is Prone,the Knee Is Flexed to Form

When the patient is prone,the knee is flexed to form an angle of 80 degrees between the femur and the lower leg,and the central ray is directed approximately 15 to 20 degrees cephalad through the inferior margin of the patella,the resulting radiograph demonstrates:

A) the articulation between the proximal tibia and fibula.
B) the intercondylar notch.
C) the tibial eminences.
D) a tangential projection of the patella.