The Sahara Desert was once a lush, green region ______ climate shifts transformed it into the world's largest hot desert about 5,000 years ago.
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 requires a semicolon before and a comma after. ", however" and ", however," create comma splices; " however" is a run-on.