Final answer:
The subject of this question is Health and it is for High School students. The question is asking the student to choose from options A, B, C, or D regarding the statement made by the team of researchers who recruited 200 smokers.
Step-by-step explanation:
The subject of this question is Health and it is for High School students. The question is asking the student to choose from options A, B, C, or D regarding the statement made by the team of researchers who recruited 200 smokers. In order to answer the question accurately, more specific information about the statement made by the researchers is needed.