Which of the Following Is True of the Six Atoms

Which of the following is true of the six atoms in ethylene?

A) The hydrogens on either side of the carbon-carbon double bond lie in different planes.
B) The carbon and hydrogen atoms lie in the same plane.
C) The carbon and hydrogen atoms bond to form a tetrahedral molecule.
D) The two carbon atoms lie in one plane, and the four hydrogen atoms lie in another plane.