Alexandra is a blind widow (her spouse died 5 years ago) who provides a home for her newphew, Newt. Newt's parents are dead and so Newt supports himself. Newt's gross income is 5,000. What is Alexandra's filing status and how many exemptions can she claim?

O Single with one dependent.
O Single with no dependents.
O Head of household with no dependents.
O Head of household with one dependent.