Which of the following statement regarding to Lipid is not correct?

• A. Lipids are of three types i Simple ii Complex iii Steroids
• B. The lipids are a heterogenous group of compounds related to Fatty acids.
• C. Lipids are the important constituents of the diet because of their high energy value.
• D. Lipids are formed of C, H and O atoms, The number of H atom is less than ahat of O.