I'm pretty sure this object is asymmetrical. So I would go with answer A.
The type of information you are looking for is called confirmation/confirmatory biased information. (If I am misunderstanding the question, please correct me) Scientists sometimes skew the results or lie about the results in order to support their own personal beliefs or goals.
D. think of it like a current!
electron -> electron-> electron->
The potential jobs are:
- Clinical research
such involved in the studies to invent new drugs to treat a certain type of illness
- Diagnoticians
Such as involved in determining what causes the patient's neurological related symtoms
- Cognitive neuroscientists
Involved in expanding the knowledge on how our cognitive functions could be associated with the brain's function
- NeuroSurgeon
Involved in surgeries that focused on inside the head area.
- Health adviser
Gives advice to people in maintaining their overall well being.