In the First Step of the Reaction Between HBr and 2-Methylpropene

In the first step of the reaction between HBr and 2-methylpropene shown here, identify the HOMO and the LUMO.

A) HOMO} is C-C π, is H-Br σ.
B) HOMO is C-C π, LUMO is H-Br σ*.
C) HOMO is C-C σ, LUMO is H-Br σ.
D) HOMO is C-C π * , LUMO is H-Br σ.
E) HOMO is H-Br σ and LUMO is C-C π .