Which of the Following Is Correct with Regard to Knowledge

Multiple Choice

Which of the following is correct with regard to knowledge workers?

A) They add value to an organization because of their connections to technical workers in other firms.
B) They tend to work for traditional manufacturing firms.
C) The need for knowledge workers is gradually declining as the general education level of the workforce increases.
D) Training updates are important for knowledge workers so that their skills do not become obsolete.
E) All of these are correct.