kylewhose in December tax return for 2017. He did not continued to home in which two dependent children live. What is Kyle's 2020 Single ObMarned spouse Head of household

Kyle, whose wife died in December 2017, filed a joint tax return for 2017. He did not remarry but has continued to maintain his home in which his two dependent children live. What is Kyle's filing status in 2020? Oa. Single Ob. Married fling separately Oc. Surviving spouse Rd. Head of household