Which sentence BEST illustrates the author's purpose?

A) [T]he identification of the criminal's own fingerprints may be the most important tool in the conviction of a criminal.
B) The unique combination of the loops, arches, and whorls determine the shape of the ridges on a person's fingertips.
C) If a match is found, further matching is done by an expert to declare an exact match.
D) Computers and lasers can develop an entire set of prints from these small traces.

A. The identification of the criminal's own fingerprints may be the most important tool in the conviction of a criminal.

Explanation:

Without knowing/reading the excerpt, I can determine that this statement is the author's purpose because the other answer choices are just listing details from the story, that actually support this statement.

the price of our current war is high; it costs money and it costs lives.

but it does not cost our pride. it does not cost the guilt that would arise from knowing that we did nothing to intervene while our neighboring nations fell to despotic leaders.

it does not cost the terror of knowing that our allies are unstable. it does not cost the fear that we, too, will be next to fall.

which sentence most accurately explains why the speaker's use of the parallel structure is effective in this passage?

a. it underscores that disagreement will not be tolerated and will be dealt with swiftly.

b. it makes the speaker seem like a decisive and capable leader.

c. it emphasizes reasons to fight and inspires listeners to aid the war effort.

d. it establishes the speaker's credibility by acknowledging the difficulties of war.

consonance, it has the repetition of the consonants in stressed syllables with different vowel sounds.