Lipids and carbohydrates are composed of the same elements: carbon, hydrogen, and oxygen. how do lipids and carbohydrates differ?

The following choices..:
A. Lipids have more hydrogen relative to oxygen than do carbohydrates. 
B. Lipids and carbohydrates have different functions.
C. Lipids don't dissolve easily in water, while carbohydrates do.
D. Lipids do not chain together to form larger molecules, while carbohydrates do.
E. All of the above are correct

The answer would be E, all of the above