Which of the following vectors are parallel? Select the two vectors that are parallel.
A. < -3, -15, -12 >
B. < 80, -40, -80 >
C. < -16,8, 16 >
D. < 15, -15, 0 >
E. < 12, -9, 12 >
F. < -9, 6, 12 2.>