Scientists should definitely use evidence - and they collect this evidence though especially designed experiments. Based on their data and assumptions they build models which they then test, but they can base their conclusions based on the models too.
What they should not do is based the conclusions on opinions, because opinions are not imparcial- they can state them as opinions, but not as conclusions.
<span />
I believe it’s A. as the Dr. is letting their client do most of the talking which is what client-centres therapy is said to be.
Natural Selection, or human adaptations through evolution.
The answer is extortion. Extortion is considered to be an
offense when a person or group of individuals obtain or gets a property or
asset from another individual, because of a threat or fear and also by using
the authority of an official office. Extortion is already considered to be an
offense, once a person or group of persons started making a threat to another
individual, wherein there is a requirement of a payment of money or asset to
stop the threats, it is already considered to be an act of extortion.