The evidence that supports the author's claim is:
"illustrates the assembly line principle of making things faster." (Option D)
When making an argument, the orator and or writer must put forward strong facts that support their claims.
These strong facts is what we refer to as Evidence. In the above case, the evidence is option D.
That is, the fact that supports the claim that fast food restaurants are like factories is that it illustrates the assembly line principle of making things faster.
Learn more about evidence at:
https://brainly.com/question/375033
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