The important discovery that has actually been made is: C. Skilled readers perceive all letters when they read.
Discovery actually refers to the process of finding something for the first time. When important things are discovered, they make life easier for people that discovered them.
We can see that the experiment that makes of the modern eye-movement technology actually discovered an important thing. The discovery revealed that skilled readers perceive all letters when they read.
The options that completes the question above are:
A. Good readers skim a text, perceiving just a few letters.
B. Good readers are dependent on context to identify words.
C. Skilled readers perceive all letters when they read.
D. The perceptual span of a good reader is triple that of a poor reader.
Learn more about discovery on https://brainly.com/question/550485
