Question when-a
3.2 Form, Structure, and Sense - Modifier placement and clarity
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When a given industry—water and electricity are two well-known examples—carries high infrastructural start-up costs and other barriers that discourage competition, blank of just one or two suppliers per municipality. Such industries are known as natural monopolies.
Which choice completes the text so that it conforms to the conventions of Standard English?
A.
these often consist
B.
they often consist
C.
it often consists
D.
this often consists