Final answer:
The Tax Cuts and Jobs Act extends paid preparer's requirements for due diligence to include checking a client’s eligibility to file as Single, Head of Household, or Married Filing Jointly.
Step-by-step explanation:
The Tax Cuts and Jobs Act (TCJA) has extended the requirements for tax preparers under IRC Section 6695(g) in terms of due diligence and record keeping. Now, these requirements include verifying a client's eligibility to file under various statuses, and the correct answer to your question is d) All of the above. That means a paid preparer must ensure that a client is eligible to file as Single, Head of Household, or Married Filing Jointly before filing their tax return.