What is meant by the expression ‘expectation gap’?

What is meant by the expression ‘expectation gap’?

A. The gap between how the directors of a company perform their duties and how the holders expect them to perform
B. The gap between how the directors of a company perform their duties and how the general public expects them to perform
C. The gap between the public perception of the role of company auditors and their statutory role and responsibilities
D. The gap between the auditors’ own perception of their duties and how they are set out in the Companies Act