58. 一位 23歲靜脈注射毒品患者，最近出現發燒、呼吸困難及急性心臟衰竭。下列何者是這位患者急性心臟衰竭最可能的原因？ (A)mitral valve prolapse with rupture of chordae tendineae (B)left ventricular aneurysm (C)aortitis with dilation of aortic ring (D)infective endocarditis with rupture of tricuspid valve