A system of linear equations is shown below, where A and B are real numbers.
3x + 4y = A
Bx – 6y = 15

What values could A and B be for this system to have no solutions?
A. A = 6, B = –4.5
B. A = –10, B = –4.5
C. A = –6, B = –3
D. A = 10, B = –3