Which of the following statements are true?
i) Rhamnose and deoxyribose are carbohydrates by their chemical behavior but cannot represented as hydrates of carbon
ii) Formaldehyde and acetic acid do not behave like carbohydrate but can be represented by the general formula of carbohydrates, `C_x(H_2O)_y`
iii) Raffinose on hydrolysis gives glucose and galactose only
iv) Polysaccharides are also called non-sugars
v) In disaccharides, if reducing groups of monosaccharides are bonded, they are non reducing in nature
vi) Sorbose is an example of aldose

Options

A. All except (ii) and (v)
B. Only (i), (ii) and (iii)
C. Only (ii), (iii), (iv) and (v)
D. Only (i), (ii), (iv) and (v)