Read the excerpt from Fast Food Nation. Cooking instructions are not only printed in the manual, they are often designed into the machines. A McDonald’s kitchen is full of buzzers and flashing lights that tell employees what to do.The evidence presented in this excerpt best supports the author’s claim that

The excerpt says that cooking instructions are built into machines, which use buzzers and flashing lights to direct employees. This supports the claim that fast food technology makes tasks easier to follow and reduces the need for workers to rely on specialized skills. The excerpt does not say that workers’ limited skills forced employers to use machines, so choice D adds a cause that the passage does not establish.

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