Which could be the next step in simplifying this expression?

24 + (6 + 29)

A24 • 6 + 24 • 29 (use the distributive property)

B24 • 6 + 29 (use the associative property)

C(24 + 6) + 29 (use the associative property)

D24 + 6 • 29 (use the commutative property)