Which of the Following Statements About Light in a Vacuum

Which of the following statements about light in a vacuum is incorrect?

A) Light always travels with the same speed c regardless of the motion of the source or observer.
B) Light has wavelike properties.
C) Light has particlelike properties.
D) Light is an electromagnetic wave with its electric-field vector pointing parallel to the direction of propagation.
E) Light can be plane polarized.