Wind turbines convert kinetic energy into electricity ______ they have become an increasingly important source of renewable energy worldwide.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, they
- B
they
- Ccheck_circle
;
- D
(empty)
Explanation
A semicolon properly joins two related independent clauses. " " is a run-on; ", they" is a comma splice; " they" is also a run-on.