Which of the Following Is Correct with Respect to Control

Which of the following is correct with respect to control deficiencies discovered during an audit?

A) Auditors must communicate and recommend corrections relating to all material weaknesses in internal control to management.
B) All material weaknesses in internal control must be reported to the audit committee in writing.
C) All such matters must be communicated to the audit committee and regulatory agencies.
D) All control deficiencies are also significant deficiencies.