The correct option is B sap from palms
Fermentation is an enzyme catalysed metabolic process, where organisms (such as yeast and bacteria) convert sugars to alcohol or an acid anaerobically and release very little energy.
Toddy is an alcoholic drink of some parts of southern India which is formed due to the fermentation of the sap collected from palm trees. The fermentative activities of the microbes result in the generation of alcohol.
Sake is an alcoholic beverage made from fermented rice.
Grape juice is fermented by Saccharomyces cerevisiae to produce an alcoholic beverage called wine.
Whey is the liquid left behind after curdling of milk. It contains a considerable amount of lactose (milk sugar) and is often fermented for obtaining alcoholic beverages but not toddy.