Look at the number line below.

The number line between -8 and 8 in increment of 2 has a point between -6 and -4 and another point between 0 and 2.
OR
A number has a point at -5 and another point at 1.

Which expression represents the distance, in units, between the two points?

A. (-5+1)

B. 1-(-5)

C. 1+(-5)

D. -5+(+1)