The correct option is A.
Trying to select the best solution implies that some solution options had already been considered for consideration and these options are the only ones that will be focused on during the process of choosing the best option. Thus, during the process of choosing the best option, the team members can not look at the problem form every angle, they can only focus on the solution options that are been considered.
1) Brain Cancer. ...
2) Increases stress level. ...
3) Weakens immune system. ...
4) Chronic pain. ...
5) Eye/ vision problems. ...
6) Hinders sleep. ...
7) Germs. ...
8) Hampers your thinking process.
The answer is D.
Hope this helps! :-)