Which of the following shows the polynomial 25x^2y - 30xy factored using the GCF?
A25x^2y - 30xy
B5xy(5x - 6)
C5(5x^2y - 6xy)
D5x(5xy - 6y)
A25x^2y - 30xy
B5xy(5x - 6)
C5(5x^2y - 6xy)
D5x(5xy - 6y)