Which Conclusion Can Be Made About the Effectiveness of the EITC

Which conclusion can be made about the effectiveness of the EITC on poverty?

A) The boost in income helps poor families, but up to 20 percent of those eligible may not claim their credit.
B) The monthly assistance helps families by their basic needs, but 10 percent do not apply.
C) The EITC has had no effect on poverty and has not shown to help in transition from welfare to work.
D) The EITC is credited with being the program that lowered the poverty rate during the mid 2000s.