|Question 19Verbal

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Text
Researchers recently theorized that Copper Age (3500 BCE to 2750 BCE) owl-shaped carvings collected from Iberian archaeological sites were likely toys created by children. This hypothesis, based on comparative analyses of owl drawings made by modern children, is supported by the objects predominantly being crafted from slate—a material that, because of its ______ be easily carved by small hands using rudimentary tools.
Which choice completes the text so that it conforms to the conventions of Standard English?
malleability could
A
malleability could—
B
malleability—could
C
malleability, could
D