Glacial acetic acid dissolves in
(I) liquid $$\text{H}_2\text{S}$$, as $$\text{H}_2\text{S}$$ is a polar covalent compound
(II) liquid $$\text{NH}_3$$, as it can form hydrogen bond
(III) liquid $$\text{HClO}_4$$, as it can protonate acetic acid.
The correct option is

A

only I

B

only II

C

only III

D

I, II and III