Which is an example of the associative property?

A. -(18.9 + 3.2) = -18.9 + (-32)

B. -17.5 +0 = 17.5

C. (8.4 + 10.3) + (-4.1) = 8.4 + (10.3 + (-4.1))

D. -5.5 + 7.9 = 7.9 + (-5.5)

ANSWER ASAP