Members of the R&D Department at GHI Drugs Believe They

Members of the R&D department at GHI Drugs believe they have unanimous agreement concerning the benefits of Vidoxidin,a new drug to lower blood pressure,even though independent tests indicate it can have dangerous side effects.The members of R&D believe their own tests and opinion cannot be wrong.The R&D department at GHI Drugs has a problem concerning

A) groupthink.
B) centering conflict on people.
C) ensuring understanding.
D) being open-minded.