Fructose reduces Tollen's reagent due to

Which one of the following compounds will be most readily dehydrated?

Match the compounds given in List I with their characteristic reactions given in List II. Select the correct option.

List I (Compounds)		List II (Reactions)
A.	CH3(CH2)3NH2	(i)	Alkaline hydrolysis
B.	CH3C$$ \equiv $$CH	(ii)	With KOH (alcohol) and CHCl3 produces bad smell
C.	CH3CH2COOCH3	(iii)	Gives white ppt. with ammoniacal AgNO3
D.	CH3CH(OH)CH3	(iv)	With Lucas reagent cloudiness appears after 5 minutes

When glycerol is treated with excess of HI, it produces