What Property of Real Numbers Is Illustrated by the Following $(3+2 \mathrm{a})+4 \mathrm{~b}=4 \mathrm{~b}+(3+2 \mathrm{a})$

Multiple Choice

What property of real numbers is illustrated by the following statement: $(3+2 \mathrm{a}) +4 \mathrm{~b}=4 \mathrm{~b}+(3+2 \mathrm{a})$

A) associative property of addition
B) commutative property of multiplication
C) distributive property
D) commutative property of addition