The asteroid belt lies between Mars and Jupiter ______ it contains millions of rocky bodies of various sizes.
Which choice completes the text so that it conforms to the conventions of Standard English?
- Acheck_circle
, and
- B
and,
- C
, and,
- D
and
Explanation
Comma plus "and" joins two independent clauses. " and" produces a run-on without the necessary comma between long clauses; the others are over-punctuated.