A 27yrs lady ingests a rodenticide white powder accidentally.She is brought to hospital where the examination shows generalized, flaccid paralysis and irregular pulse.ECG shows multiple ventricular ectopics, generalized changes with STT.Serum potassium is 2.5 m Eq/L.The most possible ingested poison is -

• A. Zinc phosphide
• B. Aluminium phosphide
• C. Barium carbonate
• D. Superwarfarins