The diagrammatic representation shows the pulmonary and systemic circulations. Identify the parts labelled as a, b, c, and d and select the correct option.
| A | a- Pulmonary arteey, c- Aorta, |
b- Pulmonary vein, d- Vein |
| B | a- Pulmonary vein, c- Pulmonary arteey |
b- Vein, d- Aorta |
| C | a- Pulmonary vein, c- Vein |
b- Aorta, d- Pulmonary arteey |
| D | a- Aorta, c- Pulmonary vein, |
b- Vein, d- Pulmonary arteey |