The Smiths are married and have filed jointly in prior years. On July 29th of the current tax year, the Smiths separated and filed for divorce. Mrs. Smith has decided to file separately this year. Which of the following statements is true? a) The taxpayers must be living apart from their spouse to file Married Filing Separately. b) The taxpayers must be living together as of December 31 to file Married Filing Separately. c) A married taxpayer can file Married Filing Separately if living together or apart. d) The taxpayers must have lived apart from their spouse for the last six months of the year.