The passing words regarding the CM - US Experimental Trials made the boy sick to his stomach , nearly causing him to throw up whatever he had managed to eat during dinner . How the doctors could treat torture so clinically Ken did not know ; the implications almost prompted him to stay in for the night . Logically , he really should have since he had n't had a moment of peace since two days prior . But Ken still had work to finish .
According to the above context, choose the best option to answer the following question.
Question: What may be a fact about Ken ?
Options:
A. Ken has opened investigations on the trial .
B. Ken is working for the trials .
C. None of the above choices .
D. Ken has been researching the trials .


D