Answer:
D.
Explanation:
The number lines goes by the scale of 0.1 per each line, meaning that if the dot is one line after 0, then the dot is 0.1. This can be interpreted by counting the number of lines from one number to another.
A. is 0.5
B. is 0.7
C. is 0.6
D. is 0.4
So, the correct answer is D.