Fill in the Blank with One of the Words or Phrases

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l } \text { distributive } & \text { absolute value } & \text { inequality } & \text { algebraic expression } \\\text { real } & \text { opposite } & \text { commutative } & \text { exponent } \\\text { recinrocals } & \text { associative } & \text { whole } & \text { variable }\end{array}$$
- (A+B) +C=A+(B+C) by the ______ property of addition.

A) associative
B) inequality
C) commutative
D) distributive