SAT Question c8607bdf: Form Structure And Sense answer and explanation

English - Form Structure And Sense - Subject Verb Agreement
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“Praise Song for the Day,” Elizabeth Alexander’s 2009 inaugural poem, asserts that “We cross dirt roads and highways…to see what’s on the other side.” Alexander’s use of “we” ______ Americans’ collective efforts and shared desire to seek new opportunity.
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Difficulty:Medium
Which choice completes the text so that it conforms to the conventions of Standard English?