Describe the locations of 3 and -3 with respect to 0 on a number line.
A. 3 is to the right of 0; and -3 is to the right of 0.
B. 3 is to the left of 0, and -3 is to the left of 0.
C. 3 is to the left of 0, and -3 is to the right of 0.
D. 3 is to the right of 0, and -3 is to the left of 0.