The eclipse began at 2:17 p.m. ______ so spectators along the coast had ample time to set up their viewing equipment.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
:
- Bcheck_circle
,
- C
(empty)
- D
;
Explanation
Two independent clauses joined by the coordinating conjunction "so" require a comma before "so."