Which of the following is an example of the Closure Property of multiplication for the set

Which of the following is an example of the Closure Property of multiplication for the set of whole numbers?
A. 74 + 59 = 59 + 74
B. 65 × 3 = 3 × 65
C. 6× 4 = 24
D (2 + 4) + 5 = 2 + (4 + 5)