Given the Three Statements Below, Pick the Best Answer

Given the three statements below, pick the best answer.
I. The main forces that make ionic solids stable are the crystal lattice forces.
II. The main force holding covalent molecules together is the sharing of electrons between atoms.
III. The total number of valence electrons for CCl₄ is 32.

A) I and II are true, III is false
B) I and III are true, II is false
C) II and III are true, I is false
D) all three are true
E) only III is true