Which of the Following Best Defines Enantiomers

Which of the following best defines enantiomers?

A) These are central atoms that are bonded to multiple groups of atoms.
B) These are molecules whose component atoms have different orientations in space.
C) These are molecules and their nonsuperimposable mirror images.
D) These are molecules in which the C-H bonds on adjacent carbon atoms lie in the same plane.
E) These are three-dimensional structures resulting from rotation about a σ bond.