SAT Form, Structure, and Sense Question

Florence Este and Lily Everett were among the 300 artists who exhibited at the 1913 Armory Show, a groundbreaking New York City art exhibition that introduced modernism to American audiences. Though shocking at the time, an abstract cubist painting exhibited by Marcel Duchamp—one of several works that received scorn from critics—the Western art canon more than a century later. Which choice completes the text so that it conforms to the conventions of Standard English?