Which Are the Most Probable Reactions and Mechanisms in Which

Which are the most probable reactions and mechanisms in which tertiary haloalkanes participate?
I Substitution, SN1
II. Substitution SN2
III. Elimination E1
IV. Elimination E2
V. Addition

A) II) , III) and IV)
B) I) , IV) and V)
C) II) , III) and V)
D) I) , III) and IV)
E) III) , IV) , V)