Industrial pollution has degraded many of the world's rivers ______ significant restoration efforts are underway in dozens of countries.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, however
- B
, however,
- C
however,
- Dcheck_circle
; however,
Explanation
"However" between two independent clauses needs a semicolon before and comma after. The others produce comma splices or run-ons.