Glenda, a single taxpayer from Kansas, paid for more than one-half of the support for her mother, Dorothy. Dorothy did not live with Glenda in Kansas, but rather has lived in a nursing home in an adjacent state since Dorothy’s husband died three years ago. Glenda’s filing status should be: 

a. Single

b. Married filing separately

c. Qualifying widower

d. Head of household

e. Parental dependent