Which of the interpretation for given expression is correct? 5(3x - 4)2
(The 2 is a exponent)

A. The product of 5 and the square of 3x - 4
B. The product of 5 and the difference of 3x and 4 squared
C. The difference of 5, 3x, and 4 squared
D. The quotient of 5 and the square of 3x - 4