For an AP Pelvis Projection (Modified Cleaves Method), the

For an AP pelvis projection (modified Cleaves method) , the
1) legs are abducted until the femurs are at a 60- to 70-degree angle with the imaging top.
2) ASISs are positioned at equal distances from the imaging table.
3) knees and hips are flexed until the femurs are aligned at a 60- to 70-degree angle with the imaging table.
4) central ray is centered to the iliac crest.

A) 1 and 2 only
B) 2 and 3 only
C) 1, 2, and 3 only
D) 1, 3, and 4 only