In an Electromagnetic Wave the and Fields Are

Multiple Choice

In an electromagnetic wave the and fields are oriented such that

A) they are parallel to one another and perpendicular to the direction of wave propagation.
B) they are parallel to one another and parallel to the direction of wave propagation.
C) they are perpendicular to one another and perpendicular to the direction of wave propagation.
D) they are perpendicular to one another and parallel to the direction of wave propagation.
E) None of the above answers is correct.