The function of this sentence in the passage is to:
According to the given question, we are asked to show the function of the given sentence in the passage and how it helps to connect ideas in the complete text.
As a result of this, we can see that from the given excerpt we can see that there is an observation made by Galileo Galilei as he studied the Earth circling the sun, instead of the other way round to add a supporting detail to the central idea.
Therefore, the correct answer is option C
Read more about supporting detail here:
https://brainly.com/question/884525