Plants contain a variety of sterols like stigmasterol, ergosterol, sitosterol etc., Which very closely resemble cholesterol. These plant sterols are referred as:
Phytosterols, which encompass plant sterols and stanols, are steroid compounds similar to cholesterol which occur in plants. Calciferol or ergocalciferol is vitamin D2. Lumisterol is a compound that is part of the vitamin D family of steroid compounds.
The correct option is A.