What is the path of blood through the circulatory system, beginning and ending with the lungs?

a) Right atrium → right ventricle → pulmonary artery → lungs → pulmonary vein → left atrium → left ventricle → aorta → body tissues → vena cava → right atrium
b) Left atrium → left ventricle → aorta → body tissues → vena cava → right atrium → right ventricle → pulmonary artery → lungs → pulmonary vein
c) Right atrium → right ventricle → pulmonary vein → lungs → pulmonary artery → left atrium → left ventricle → aorta → body tissues → vena cava
d) Left atrium → left ventricle → pulmonary artery → lungs → pulmonary vein → right atrium → right ventricle → aorta → body tissues → vena cava