Jetties—long, narrow structures that extend from a landmass into the water—are often constructed to protect coastlines from erosion. Jetties can sometimes have the opposite __________ obstructing the natural flow of sand along the shore can lead to increased erosion in some areas.
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Verbal·Standard English Conventions·Boundaries
hardWhich choice completes the text so that it conforms to the conventions of Standard English?
A
effect, though,
B
effect, though;
C
effect, though
D
effect; though