Judy is preparing a client's return. The client is claiming the EIC, CTC$/$ACTC$/$ODC$,$ and AOTC. Which of the following best describes the actions Judy must take to substantiate the client's eligibility for the credits?

Select one:

a$.$ Judy is required to complete Form $8867,$ the EIC worksheet, CTC$/$ACTC$/$ODC$,$ and AOTC worksheets. Judy is also expected to ask additional questions and document the taxpayer's answers. Copies of documentation provided by the taxpayer should be kept substantiating eligibility for the EIC, CTC$/$ACTC$/$ODC$,$ and AOTC and how it was determined by the preparer.

b$.$ Judy must ask additional questions and document the taxpayer's answers to those questions and keep copies of any of the taxpayer's documents that were used to determine the eligibility for the EIC, CTC$/$ACTC$/$ODC$,$ and AOTC.

c$.$ Judy must complete the EIC worksheet, CTC$/$ACTC$/$ODC worksheets, and the AOTC worksheet in the Form $1040$ Instructions.

d$.$ Complete Form $8867,$ Paid Preparer's Due Diligence Checklist, and submit it to the IRS with the taxpayer's tax return.