Respuesta :
The type of supporting detail that the underlined sentence contain is factual. Thus, the correct option is C.
What is Factual detail?
Factual detail may be defined as information that is related to the ideology of facts it contains, rather than estimating theories or personal interpretations.
Not only the underlined sentence, but the whole excerpt illustrates the factual supporting details on the basis of facts that relies on the workdone by Thomas Edison and his patents.
Therefore, the correct option for this question is C.
To learn more about Factual details, refer to the link:
https://brainly.com/question/466079
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