Which choice completes the text so that it conforms to the conventions of Standard English?
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Verbal·Standard English Conventions·Boundaries
mediumIn 1912, meteorologist Alfred Wegener proposed the theory of continental drift, suggesting that all the Earth’s continents were once joined together in a single landmass. Wegener’s theory was widely mocked by geologists at the time he lacked a plausible mechanism to explain how continents could move through the ocean floor.
A
because
B
therefore,
C
although
D
nevertheless,