The correct option is D yeast
Statins are products of fermentation by yeast Monascus purpureus which resemble mevalovate and are competitive inhibitors of β−hydroxy−β−methylglutaryl or HMG CoA reductase.This inhibits cholesterol synthesis. Statins are, therefore, used in lowering blood cholesterol, e.g., lovastatin, pravastatin, simvastatin.