Answer:Single
Step-by-step explanation:
Single is the general filing status done by unmarried people who are not head of household.
For example if it happens that as of the last day of the tax year you were single meaning you were divorced or legally separated then you will file your tax returns as single.
Two question need to be answered in order to establish this first one being :were you married on the last day of the tax year.
Are you eligible for any other type of filing.
If you were married on the last day of the tax year then you can not file as single unless if you are separated in the lawfully consideration. There are options to file as married filing separately if you not legally separated as of that tax year.
Mason and his wife were divorced in year one which means end of year two they were no longer married which makes Mason qualifies as single.