A 34-year-old primigravida at 36 weeks’ gestation presents with headache, visual disturbance and right upper quadrant pain. Blood pressure is 170/110 mmHg and urinalysis shows 3+ protein. What is the most important immediate drug treatment?AOral LabetalolBIntravenous HydralazineCMagnesium sulphate infusionDNifedipine MREMethyldopaCheck my answer