Answer: D. PCAOB standards apply
Step-by-step explanation:
Based on the information given in the question, the statement that is true about the applicaiton of professional standards to thie review is that PCAOB standards apply.
The United States Public Company Accounting Oversight Board (PCAOB) simply refers to a a private sector, non-profit corporation, which was created by Sarbanes-Oxley Act of 2002, in order to oversee auditors in public companies so that the interests of investors can be protected and there can be a fair and informative audit reports.