When the Greengate shopping mall, an indoor, temperature-controlled complex in Greensburg, Pennsylvania, was completed in 1965, the mall was just emerging as a new shopping concept. By the mid-1980s, American “mall culture” was at its peak, with hundreds of malls acting as __________ commercial, and cultural hubs throughout the US.
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Verbal·Standard English Conventions·Boundaries
easyWhich choice completes the text so that it conforms to the conventions of Standard English?
A
social and
B
social;
C
social
D
social,