The Mariana Trench is the deepest part of any ocean ______ its lowest point lies nearly seven miles below the surface.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
(empty)
- Bcheck_circle
:
- C
, because
- D
. With
Explanation
A colon correctly introduces an explanation/elaboration. " " creates a run-on; ", because" creates a comma splice with redundant logic; ". With" produces a fragment.