Eager to test the new spectroscopic equipment ______ the chemistry students arrived at the lab nearly an hour before their scheduled session.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
(empty)
- Bcheck_circle
,
- C
:
- D
;
Explanation
The introductory adjective phrase "Eager to test...equipment" modifies the subject and is followed by a comma.