A patient presents with congestive heart failure and systolic pulsations in liver and jugular veins.His upper extremity veins are also pulsating.On ascultation, there is low pitched pansystolic murmur in the tricuspid area.The most likely diagnosis is -

• A. Mitral stenosis, pulmonary hypertension and functional hygh-pressure tricuspid regurgitation
• B. An organic low-pressure tricuspid regurgitation
• C. Arteriovenous fistula
• D. Patent ductus arteriosus with pulmonary hypertension and tricuspid regurgitation