Assume all the following taxpayers do not have a qualifying child for EIC purpose, their earned income is the same as their AGI, and their investment income is less than $3,500. Which person(s) below is eligible for EIC?

a) Thomas (age 25), single, with AGI of $13,500

b) Jeff and Michelle (both age 28), married, with a combined AGI of $22,600

c) Naomi (age 35), single, with AGI of $15,500

d) Alfonso (age 65), single, with AGI of $13,000