In the molecular orbital model of cyclobutadiene,how many $\pi$-bonding molecular orbitals are there?

Name: In the molecular orbital model of cyclobutadiene,how many $\pi$-bonding molecular orbitals are there?
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The F1F1F1S1F1F1F10-bonding molecular orbital is formed by the overlap of the four p-orbitals of the four carbon atoms in the cyclobutadiene ring. The four p-orbitals are in phase with each other, so the overlap is constructive and the resulting molecular orbital is bonding.

In the Molecular Orbital Model of Cyclobutadiene,how Many π\piπ -Bonding Molecular Orbitals Are There? A)1 B)2 C)3 D)4 E)5

In the Molecular Orbital Model of Cyclobutadiene,how Many $\pi$ -Bonding Molecular Orbitals Are There?
A)1
B)2
C)3
D)4
E)5