According to the federal regulations, research is eligible for exemption, if:. A) All the subjects are adults and the risk is minimal. B) The researcher is experienced in the field of inquiry. C) Participation in the research will involve ten minutes or less of the subjects' time. D) The research falls into one of eight categories of research activity described in the regulations.

Option D The research falls into one of eight categories of research activity described in the regulations.

Explanation:

The research is only eligible for exemption if it falls into one of the eight categories which is research promoter regulation and the companies invests in research and develoment because part of investment (Tax incentives) are contribution by the state. This benefits both the US government due to exports and the firm benefits from the profit earned.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;