SAT Question db4e3819: Form Structure And Sense answer and explanation

English - Form Structure And Sense - Subject Verb Agreement
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Midway through her 1968 jazz album A Monastic Trio, Alice Coltrane switches instruments, swapping the piano for the harp. With the same fluid style that Coltrane was famous for on piano, she ______ her fingers across the harp strings and creates a radiant sound.
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Difficulty:Easy
Which choice completes the text so that it conforms to the conventions of Standard English?