Which Statement  About Germany's Civil Servants Is NOT Correct

Which statement  about Germany's civil servants is NOT correct?

A) They are mainly employed by Länder and local governments.
B) They are not permitted to run for political office.
C) They are protected by civil service laws, such as a guarantee of employment, and are usually chosen on the basis of merit.
D) They are the main agents of policy implementation.
E) Federal, Länder, and local civil servants very often work closely with one another.