Which question$($s$)$ would you ask Carla to determine her filing status?

a$.$ Are you still married, or do you have a legal separation?

b$.$ Will you file a joint return with your spouse?

c$.$ Did you pay more than half the rent, utilities, food, etc. for the household in which you and your son lived?

d$.$ How long have you lived in a separate home from your spouse?

e$.$ All the above