Choose which group of sets the following number belongs to. Be sure to account for ALL sets.

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-1
A.integers comma rational numbers comma real numbers
B.whole numbers comma integers comma rational numbers comma natural numbers comma real numbers
C.whole numbers comma integers comma irrational numbers comma natural numbers comma real numbers
D.integers comma natural numbers comma real numbers

B. whole numbers, integers, rational numbers, natural numbers, real numbers

The number -1 belongs to the following sets:

A. Integers, Rational numbers, Real numbers.