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3.1 Boundaries - Semicolon vs period between independent clauses
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After a spate of illnesses as a child, Wilma Rudolph was told she might never walk again. Defying all odds, Rudolph didn’t just walk, she blank the 1960 Summer Olympics in Rome, she won both the 100- and 200-meter dashes and clinched first place for her team in the 4x100-meter relay, becoming the first US woman to win three gold medals in a single Olympics.

Which choice completes the text so that it conforms to the conventions of Standard English?

A.

ran—fast—during

B.

ran—fast during

C.

ran—fast, during

D.

ran—fast. During