Read the paragraph.
trey repeated the scales. his manipulation of the keys was becoming less of a struggle, and the tuba was making sounds that were almost musical. the low notes still gave him pause, though, so he attempted them again. after countless repetitions, his room boomed with the tuba’s brassy blare. he held the last note until he was out of breath, and as he exhaled, he heard his mother say from downstairs, “that one sounded good! ”
based on the evidence provided, readers can conclude that trey is
a frustrated
b determined.
c talented.
d impatient.

b determined.

It can be concluded that Trey is determined based upon the context clues provided.  In the excerpt we can see that he is practicing repeatedly by use of the words “repeated,” “attempted them again,” and “countless repetitions.” These are words that would be used to describe the actions of one who is resolute at reaching a goal.

c. "i do not consider non-cooperation to be unconstitutional."

in the story "marionettes inc," in the last line of the story, braling two is referred to by the narrator as the "someone." what does this new identifier imply and how does it add to the drama of the closing scene?