Harpreet, Whose Husband Died in December 2017, Maintains a Household

Multiple Choice

Harpreet, whose husband died in December 2017, maintains a household in which her dependent mother lives. Which (if any) of the following is her filing status for the tax year 2018? (Note: Harpreet is the executor of her husband's estate.)

A) Single
B) Married, filing separately
C) Surviving spouse
D) Head of household
E) Married, filing jointly