To explain some of the obstacles she faces.
pot·pour·ri
/ˌpōpəˈrē/
noun
a mixture of dried petals and spices placed in a bowl or small sack to perfume clothing or a room.
a mixture of things, especially a musical or literary medley.
Therefore, the phrase "a beautiful potpourri..." or mixture "...of differences" means that whatever this line is referring to is a pleasant mixture of many different things.
Hope this helped.
The answer is D the attitude of the writer toward the subject idea's theme or characters
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>