Both S-Cis and S-Trans Conformers of 1,3-Butadiene Have a Continuous $\pi$

Multiple Choice

Both s-cis and s-trans conformers of 1,3-butadiene have a continuous conjugated $\pi$ system. Which of the following statements is true about the s-cis conformer?

A) The s-cis conformer is lower in energy than the s-trans conformer
B) The s-cis conformer is higher in energy than the s-trans conformer
C) The s-cis conformer has equal energy as the s-trans conformer
D) none of these