Which of the Following Electronic Transitions Is (Are) Apparent in the Ultraviolet-Visible

Multiple Choice

Which of the following electronic transitions is (are) apparent in the ultraviolet-visible spectrum of acrolein, H₂C=CHCHO?
1) n $\rarr$ $\pi$ *
2) $\pi$ $\rarr$ $\pi$ *
3) $\sigma$$\rarr$ $\pi$ *

A) only 1
B) only 2
C) only 1 and 2
D) 1, 2 and 3