Which of the Following Individuals Would Be excluded from the Calculation

Which of the following individuals would be excluded from the calculation of the labour force participation rate?

A) Jonathan, who is 45 years old and unemployed.
B) Mary, who is 70 years old and working part-time as a "greeter" at a large retail store.
C) Elliot, who is 14 years old and working part-time at Burger King.
D) Christine, who is 35 years old and self-employed as a daycare operator.