Has Audit Quality Improved Since the Passage of Sarbanes-Oxley Act

Multiple Choice

Has audit quality improved since the passage of Sarbanes-Oxley Act (SOX) ? Which of the following statements is true with regards to audit quality since the passage of SOX?

A) The frequency of financial statement restatements has increased since SOX.
B) PCAOB audit engagement findings continue to document a high level of audit deficiencies.
C) Finally, the auditing professions agrees on the definition of audit quality.
D) No progress has been made on the definition of what are called "Audit Quality Indicators" since SOX.