Notice 0 and 1 on the number line.
There are three marks between the numbers 0 and 1 creating 4 spaces.
Since the 4 spaces combined represent 1 unit (from 0 to 1), the space between two consecutive marks is one-fourth.
You want 3/4, or three-fourths.
Let's look at each choice.
A: 1/4
B: 2/4 which is 1/2
C: 0
D: 3/4
Answer: D