13) Which sentence might exhibit plagiarism?
A)
Today was declared "STEM-Education Day" because "now, more than
ever, our country needs more STEM students."
B)
Mashad is the second most populous city in Iran, located in the
northeast of the country near the border with Afghanistan (Henry
145)
C)
The work of artist Franco Mondini-Ruiz "questions notions of
preciousness and art-market exclusivity while delivering a fizzy visual
pleasure" (Smith 77).
D)
In his speech, Professor Malcolm McCambridge claims that watching
Shakespeare performed in the original pronunciation is an
"unforgettable experience" (101).

can you elaborate on what the question asks?

you did not put the article. so i cannot answer the question.

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."