Answer:
C
Explanation:
The investigator should give the subject comprehensive information about the new drug, including its side effects, discuss the pros and cons of both investigational drug and commercially available drug and then allow the subject to decide whether to withdraw from the research to take the new drug.
It is subject's will that he would either take that research treatment or would try the new treatment, but it is the investigator's duty to tell the subject all about the new drug, about its side effects and benefits, its costs and all other benefits or drawbacks.
Age and gender.
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C. Crossing your arms over your chest. The gesture may be perceived as confident or defensive while the others do not express those things.
