Which One of the Following Statements About Orbital Hybridization Is $\degree$

Which one of the following statements about orbital hybridization is incorrect?

A) The carbon atom in CH₄ is sp³ hybridized.
B) The carbon atom in CO₂ is sp hybridized.
C) The nitrogen atom in NH₃ is sp² hybridized.
D) sp² hybrid orbitals are coplanar, and at 120 $\degree$ to each other.
E) sp hybrid orbitals lie at 180 $\degree$ to each other.