I thnk it might be C, but 100% sure.
You use apostrophe to show posession like dog's toy or Danica's phone!
THAT MOST MEDIA ISNT TRUE
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.