Which of the Following Statements Provides an Example of Accountability

Which of the following statements provides an example of accountability?

A) Necessary work skills are so specifically delineated, employees can be trained in enough detail to succeed.
B) The leader is in charge of every last person in the organization.
C) Rules are implemented through formal processes.
D) Clients are assured that they will be treated fairly whomever they talk to.
E) Completion of training is mandatory when new technology is adopted.