After completing her doctoral research on coral reef ecosystems ______ Dr. Patel accepted a teaching position at the marine biology institute.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
:
- Bcheck_circle
,
- C
;
- D
(empty)
Explanation
"After completing her doctoral research on coral reef ecosystems" is an introductory participial phrase. A comma is required after a long introductory phrase before the main clause begins.