Select the Most Energetically Favorable UV Transition for 1,3-Butadiene $\to$ $\sigma$

Multiple Choice

Select 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*"