The set {2,17,2.5487 ... is a subset of:

A. Whole Numbers

B. Integers

C. Irrational Numbers

D. Rational Numbers

I can't tell since the ... doesn't show me if the last number is never ending or not, I would say it would be irrational but the first to numbers are whole numbers so if that isn't the whole thing then you need to write the whole thing or else I can't tell you