A Physician Orders Postural Drainage for a Patient with Aspiration

A physician orders postural drainage for a patient with aspiration pneumonia in the anterior segments of the upper lobes. Which of the following positions would you recommend for this patient?

A) Head down, patient prone with a pillow under abdomen
B) Patient supine with a pillow under knees, bed flat
C) Head down, patient supine with a pillow under knees
D) Patient prone with a pillow under abdomen, bed flat