In my opinion I think it's A it could be C but when you see someone around you physically see but you wouldn't call them strangers if you physically resemble and know the person. In answer a it says "emotionally disconnected" which can mean strangers but it can be temporary.
The answer to the question above is "Plot & Character - important" that will be most helpful as Duncan re-reads his notes to find the central idea of the interview. Duncan separates his note in two section paragraphs which contain different information. The first section obviously<span> talks about the plot and character in thriller stories. The second contains important extra information from the interview.</span>
They are the same 10 mm in one cm so 15x10=150
