Colleen is not married. She maintains a household where she and her 22-year-old cousin, Nell, live the entire year. Nell is a full-time college student. She earned $5,000 during the year working in the summer. However, Colleen provided over half of Nell’s support for the year. Colleen’s filing status and the total number of exemptions she claims on her tax return are:

a. single and one, respectively.

b. head of household and two, respectively.

c. single and two, respectively.

d. head of household and one, respectively.