Which of the following is least likely to be a reason why the career paths available to information systems auditors are often limited?

a. Many organizations have only a few information systems audit positions available

b. Information systems audit skills are too narrow and specialized for many other jobs

c. Promotional opportunities have been affected by trends toward downsizing and flattening organizational structures

d. Information systems auditors must compete with general staff auditors for the higher-level positions that are available.