Which of the following is a manifestation of cor pulmonale contributing to right-sided heart failure?

A. Cor pulmonale causes right-sided heart failure, leading to systemic venous congestion and dependent edema. B. Chest pain is more commonly associated with left-sided heart issues or coronary artery disease. C. Crackles in the lungs are signs of left-sided heart failure due to pulmonary congestion. D. Hypotension is not a typical early sign of cor pulmonale or right-sided heart failure.