The correct answer is D: Workers.
Further Explanation:
The Common Rules protects several types of people such as;
The Common Rule law protects people who are being subjected to human research. Workers are exempt from this rule even though they are also vulnerable. The workers can experience pressure from their managers, a decrease in pay if the study finds them below expectations, etc.
This law has been in place since 1981 in the United States.
Learn more about human research at https://brainly.com/question/12014149
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