C is the correct answer because:
-4/7 is to the left of 0
-2/1 = -14/7 using this to compare the two fractions, then that means that this fraction is smaller/less than -4/7 so it would be located to the left of -4/7.
So since -4/7 is closer to 0 it would be greater than -2 or -14/7.
