Do Physicists Consider Electromagnetic Fields to Be "Real

Multiple Choice

Do physicists consider electromagnetic fields to be "real"?

A) Yes, because electromagnetic fields contain energy, even though they are not made atoms.
B) Yes, because electromagnetic fields exert forces, even though they are not made of as atoms.
C) No, because they are only an idea, imagined only by the human mind.
D) Yes, because electromagnetic fields are made of atoms.
E) No, because electromagnetic fields are not made of any material substance such as atoms.