Which Is the Most Energetically Favorable UV Transition for 1,3-Butadiene $\to$

Multiple Choice

Which is the most energetically favorable UV transition for 1,3-butadiene?

A) (n $\to$ $\sigma$ *)
B) (n $\to$ $\pi$ *)
C) ( $\pi$ ₂ $\to$ $\pi$ ₃*)
D) ( $\sigma$ $\to$ $\sigma$ *)
E) ( $\pi$ ₁ $\to$ $\pi$ ₄*)