Justin and Lacy Muncy were married in 2007. After a serious argument, Justin moved out of the family home on June 5, 2020 and lived alone in in an apartment for the remainder of 2020. Andria Muncy, the nine year old daughter of Justin and Lacy, resided for all of 2020 in the family home, where Lacy remained after Justin left. Justin refuses to file a joint return for tax year 2020. Assuming that Lacy wishes to use the most advantageous filing status for her 2020 Form 1040, how will she file? A Single B Married separate C Surviving spouse D Head of household E None of the above