Which expression represents the associative property?

A. 8 + 5 +4 =5 + 4 +8
B. 8 × (5 + 4) = (8 × 5) + (8 × 4)
C. 8 + (5 + 4) = (8 + 5) + 4
D. 8 + (5 + 4) = 8 + (4 + 5)

C. 8 + (5 + 4) = (8 + 5) + 4