Consider the Reaction CaCO₃(s) + 2HCl(aq) $\rightarrow$ CaCl₂(aq) + CO₂(g) + H₂O(l)

Consider the reaction CaCO₃(s) + 2HCl(aq) $\rightarrow$ CaCl₂(aq) + CO₂(g) + H₂O(l) .The driving force that causes the reaction to go to completion is:

A) formation of a soluble salt.
B) formation of an element.
C) formation of an insoluble gas.
D) formation of a precipitate.
E) none of these.